AFC Count

AFC count stands for antral follicle count. It is a fertility ultrasound measurement that estimates how many small, fluid-filled follicles...

Abstinence Interval

Abstinence Interval: Meaning, Fertility Relevance, and How It Affects Semen Testing Abstinence interval is the amount of time a man...

Abstinence Period

Abstinence period refers to the amount of time a man avoids ejaculation before a semen analysis, sperm test, fertility procedure,...

Acetyl Carnitine

Acetyl carnitine, more precisely called acetyl-L-carnitine (ALCAR), is a naturally occurring compound made from L-carnitine, an amino-acid-like nutrient involved in...

Air Pollution

Air pollution is the contamination of indoor or outdoor air by harmful particles, gases, or chemicals that can affect the...

Alcohol Fertility

Alcohol Fertility: What It Means for Male Reproductive Health Alcohol fertility refers to how alcohol use affects a person’s ability...

Amenorrhea

Amenorrhea means the absence of menstrual periods. It is not a disease by itself, but a sign that something is...

Anabolic Steroids

Anabolic steroids, also called anabolic-androgenic steroids (AAS), are synthetic versions of testosterone designed to promote muscle growth and male sex...

Andrology Clinic

An andrology clinic is a medical clinic focused on male reproductive health, sexual health, and related hormonal issues. In practical...

Aneuploid Embryo

An aneuploid embryo is an embryo with an abnormal number of chromosomes. Instead of having the typical 46 chromosomes arranged...

Anovulation

Anovulation means an egg is not released from the ovary during a menstrual cycle. In simple terms, ovulation does not...

Antioxidant Therapy

Antioxidant Therapy: Meaning, Uses, and Why It Matters for Men’s Health Antioxidant therapy refers to the use of antioxidant-rich foods,...

Antral Follicles

Antral Follicles: Definition, Fertility Meaning, Testing, and What Counts as Normal Antral follicles are small, fluid-filled sacs in the ovaries...

Anxiety Fertility

Anxiety Fertility: what it means Anxiety fertility generally refers to the relationship between anxiety and reproductive health, including whether ongoing...

Aromatase Inhibitor

Aromatase Inhibitor: Definition, Uses, Side Effects, and Why It Matters in Men’s Health An aromatase inhibitor is a medication that...

Ashwagandha

Ashwagandha: what it is and why it matters Ashwagandha is an herbal supplement made from Withania somnifera, a plant used...

Autoimmune Fertility

Autoimmune fertility refers to fertility problems linked to the immune system mistakenly reacting against the body’s own reproductive tissues, hormones,...

BMI Fertility

BMI Fertility: what it means for male fertility BMI fertility refers to the relationship between body mass index (BMI) and...

BPA Exposure

BPA exposure means coming into contact with bisphenol A, an industrial chemical used in some plastics and resins. BPA can...

Basal Temperature

Basal temperature, often called basal body temperature (BBT), is your body’s lowest resting temperature, measured after sleep and before getting...

Beard Growth

Beard growth is the development of facial hair, usually on the cheeks, jaw, chin, upper lip, and neck. In men,...

Beta hCG

Beta hCG is the blood-test form of human chorionic gonadotropin (hCG), a hormone most commonly associated with pregnancy. In medical...

Biohacking Fertility

Biohacking fertility refers to using targeted lifestyle changes, health tracking, nutrition, sleep optimization, exercise, environmental exposure reduction, and sometimes supplements...

Blood Flow

Blood flow is the movement of blood through your arteries, capillaries, and veins, delivering oxygen, hormones, nutrients, and immune cells...

Breastfeeding Fertility

Breastfeeding Fertility: What It Means Breastfeeding fertility refers to how breastfeeding affects a person’s ability to ovulate, get pregnant again,...

CFTR Mutation

CFTR Mutation: What It Means A CFTR mutation is a change in the CFTR gene, which carries instructions for making...

COVID Fertility

COVID fertility refers to the ways COVID-19 infection, the body’s immune response, fever, inflammation, stress, and related health disruptions may...

Cannabis Fertility

Cannabis Fertility: What It Means Cannabis fertility refers to the relationship between cannabis use and reproductive health, including how marijuana,...

Carrier Screening

Carrier screening is a type of genetic test that looks for whether a person carries a gene change associated with...

Celiac Fertility

Celiac fertility: what it means Celiac fertility refers to the relationship between celiac disease and reproductive health, including how untreated...

Cervical Mucus

Cervical mucus is the fluid made by glands in and around the cervix. It changes throughout the menstrual cycle in...

Cervical Opening

The cervical opening is the small passage at the center of the cervix that connects the vagina to the uterus....

Cervical Position

Cervical position refers to where the cervix sits inside the vagina and how it feels at a given point in...

Chronic Inflammation

Chronic Inflammation: Meaning, Causes, Symptoms, Testing, and Why It Matters Chronic inflammation is a long-lasting, low-grade or ongoing immune response...

Circadian Rhythm

Circadian rhythm is your body’s built-in 24-hour timing system. It helps regulate when you feel awake or sleepy, when hormones...

Clomid Fertility

Clomid fertility usually refers to the use of Clomid (clomiphene citrate) to improve fertility. Although many people associate Clomid with...

CoQ10

CoQ10: definition, benefits, fertility relevance, and how it’s used CoQ10, short for coenzyme Q10, is a vitamin-like compound your body...

Cold Plunge

Cold plunge refers to brief, intentional immersion in very cold water, typically after exercise, as part of a wellness routine,...

Conception Rates

Conception Rates: Meaning, Fertility Impact, and How to Interpret Them Conception rates describe how often pregnancy occurs over a given...

Conception Timing

What Is Conception Timing? Conception timing refers to having intercourse or using insemination at the point in the menstrual cycle...

Cortisol Levels

Cortisol levels refer to the amount of cortisol circulating in your body at a given time. Cortisol is a hormone...

Couple Fertility

What Is Couple Fertility? Couple fertility refers to the ability of two partners to conceive a pregnancy together. It is...

Cycle Tracking

Cycle Tracking: Definition and Why It Matters Cycle tracking is the practice of monitoring the menstrual cycle over time to...

DNA Damage

DNA damage refers to changes or injuries in the genetic material inside a cell. In men’s health and fertility, the...

DNA Integrity

DNA integrity refers to how intact, stable, and undamaged DNA is within a cell. In men’s fertility, the term most...

Daily Ejaculation

Daily Ejaculation: What It Means, Is It Healthy, and Does It Affect Fertility? Daily ejaculation means ejaculating once a day,...

Delayed Puberty

Delayed Puberty: Definition, Causes, Symptoms, Diagnosis, and Treatment Delayed puberty means the physical changes of puberty start later than expected....

Depression Fertility

Depression fertility refers to the relationship between depression and reproductive health, including how depression can affect fertility, sperm health, sexual...

Diabetes Fertility

Diabetes fertility refers to the ways diabetes can affect reproductive health, including sperm quality, erectile function, testosterone levels, libido, ejaculation,...

Digital Pregnancy

Digital Pregnancy: Meaning, Uses, Accuracy, and What It Does Not Mean Digital pregnancy usually refers to a pregnancy result shown...

Dutasteride Fertility

Dutasteride fertility refers to how dutasteride may affect male reproductive health, especially sperm production, semen quality, and the ability to...

Early Pregnancy

Early pregnancy refers to the first weeks of pregnancy, beginning after fertilization and extending through the first trimester. In practical...

Egg Donation

Egg Donation: Definition, Fertility Uses, Success Rates, Risks, and What to Expect Egg donation is a fertility treatment in which...

Egg White

Egg white, also called cervical mucus when it appears as vaginal discharge around ovulation, is a clear, slippery, stretchy fluid...

Ejaculatory Ducts

Ejaculatory ducts are two short tubes in the male reproductive tract that carry semen into the urethra just before ejaculation....

Embryo Biopsy

Embryo biopsy is a laboratory procedure used during in vitro fertilization (IVF) to remove a small number of cells from...

Embryo Development

Embryo development is the early process by which a fertilized egg divides, grows, and forms the basic structures needed for...

Embryo Donation

Embryo Donation: Meaning, Process, Success Rates, Costs, and Fertility Considerations Embryo donation is a family-building option in which embryos created...

Embryo Implantation

Embryo implantation is the process in which a fertilized egg—now called an embryo—attaches to the lining of the uterus and...

Embryo Quality

Embryo Quality: What It Means in Fertility Care Embryo quality refers to how an embryo looks and develops in the...

Embryo Storage

Embryo storage is the process of freezing and keeping embryos in a fertility clinic or cryostorage facility for future use....

Enclomiphene

Enclomiphene is an oral medication that may be used to help raise testosterone levels while preserving or supporting sperm production...

Endocrine Disruptors

Endocrine disruptors are chemicals that can interfere with the body’s hormone system. They may mimic hormones, block hormone signals, or...

Endocrine Health

Endocrine health refers to how well your body’s hormone system is working. The endocrine system is a network of glands...

Endometrial Polyps

Endometrial polyps are growths that form from the lining of the uterus, called the endometrium. They are usually noncancerous, but...

Enterococcus Infection

Enterococcus infection: definition and why it matters Enterococcus infection is an infection caused by bacteria from the Enterococcus group, most...

Environmental Toxins

Environmental toxins are harmful substances in the air, water, food, soil, household products, workplaces, and everyday materials that can affect...

Epididymitis

Epididymitis is inflammation of the epididymis, the coiled tube behind each testicle that stores and carries sperm. It often causes...

Erectile Issues

Erectile Issues: Meaning, Causes, Symptoms, and What to Do Next Erectile issues is a broad term for trouble getting or...

Estrogen Blocker

Estrogen blocker: definition, uses, and why it matters An estrogen blocker is a medication or compound used to reduce the...

Euploid Embryo

What Is a Euploid Embryo? A euploid embryo is an embryo with the expected number of chromosomes. In humans, that...

Evaporation Line

What Is an Evaporation Line? An evaporation line is a faint, colorless, or grayish line that can appear on a...

Exercise Fertility

Exercise Fertility: What It Means Exercise fertility refers to the relationship between physical activity and reproductive health, including how exercise...

Failed Transfer

Failed Transfer: Meaning in Fertility Treatment Failed transfer usually refers to an embryo transfer cycle in IVF that does not...

Female Factor

Female factor is a broad term used in fertility medicine to describe a condition, diagnosis, or biologic issue in the...

Fertile Mucus

Fertile mucus is the type of cervical mucus that appears around ovulation and helps sperm survive, swim, and reach the...

Fertility Acupuncture

Fertility acupuncture is the use of traditional acupuncture as a complementary therapy during a fertility journey, including natural conception, male...

Fertility Costs

Fertility costs are the out-of-pocket and insurance-related expenses involved in evaluating, diagnosing, and treating infertility or supporting conception. For men...

Fertility Counseling

Fertility Counseling Fertility counseling is a type of professional support that helps individuals and couples understand their reproductive health, fertility...

Fertility Gummies

Fertility gummies are chewable dietary supplements marketed to support reproductive health, hormone balance, sperm quality, egg health, or preconception nutrition....

Fertility Insurance

Fertility Insurance: What It Means and Why It Matters Fertility insurance refers to health insurance coverage that helps pay for...

Fertility Massage

What Is Fertility Massage? Fertility massage is a broad, non-medical term used for massage techniques that some people believe may...

Fertility Meditation

Fertility Meditation: What It Is and How It May Support Reproductive Health Fertility meditation is a mindfulness or relaxation practice...

Fertility Stack

Fertility stack is a non-medical term people use to describe a combination of supplements, habits, and sometimes medications intended to...

Fertilization Check

What Is a Fertilization Check? Fertilization check is a laboratory assessment performed during IVF or ICSI to confirm whether an...

Fetal Heartbeat

Fetal heartbeat refers to the developing baby’s heart activity during pregnancy. It is one of the earliest measurable signs that...

Fetal Pole

Fetal Pole: Definition, Ultrasound Meaning, and What It Tells You in Early Pregnancy The fetal pole is one of the...

Fever Fertility

Fever Fertility: What It Means for Sperm, Conception, and Male Reproductive Health Fever fertility usually refers to the impact a...

Finasteride Fertility

Finasteride fertility refers to the relationship between finasteride use and male reproductive health, especially its potential effects on sperm production,...

Fish Oil

Fish oil is an oil derived from fatty fish or fish tissue that is rich in omega-3 fatty acids, especially...

Folic Acid

Folic Acid Folic acid is the synthetic form of folate, a water-soluble B vitamin also known as vitamin B9. It...

Follicle Monitoring

Follicle monitoring is a series of ultrasound scans, and sometimes hormone checks, used to track how ovarian follicles grow during...

Follicle Size

Follicle size refers to the diameter of an ovarian follicle, the fluid-filled sac in the ovary that contains a developing...

Frequent Ejaculation

Frequent ejaculation generally means ejaculating more often than usual for a given person, whether through sex, masturbation, or nocturnal emissions....

Genetic Counseling

Genetic counseling is a healthcare service that helps people understand how genes, inherited conditions, chromosome changes, and family history may...

Genetic Screening

Genetic Screening: What It Is, Why It Matters, and How It Relates to Fertility Genetic screening is testing used to...

Gestational Carrier

Gestational Carrier: Definition, Fertility Meaning, and What to Expect A gestational carrier is a person who carries a pregnancy for...

Glutathione Injection

Glutathione injection is a way of delivering glutathione directly into the body, usually by intravenous (IV) infusion or intramuscular (IM)...

Gonadorelin

Gonadorelin: definition, uses, and why it matters Gonadorelin is a synthetic form of gonadotropin-releasing hormone (GnRH), the natural hormone made...

Gonadotropin Therapy

Gonadotropin therapy is a hormone-based treatment used to stimulate the testes in men who have low testosterone due to pituitary...

Gonadotropins

Gonadotropins are hormones that signal the testes or ovaries to make sex hormones and support reproduction. In men, they are...

Gynecomastia

Gynecomastia: what it is, why it happens, and when it matters Gynecomastia is the enlargement of male breast gland tissue....

HCG Trigger

An HCG trigger is an injection of human chorionic gonadotropin (hCG) used in fertility treatment to help time ovulation or...

HSG Test

An HSG test, short for hysterosalpingogram, is an X-ray procedure used to check the shape of the uterus and whether...

Hair Loss

Hair loss is the partial or complete loss of hair from the scalp or body. It can happen gradually or...

Healthy Lifestyle

A healthy lifestyle is a pattern of daily habits that supports long-term physical, mental, sexual, and reproductive health. It usually...

Heavy Metals

Heavy Metals: Meaning, Health Effects, Testing, and Why They Matter for Men’s Fertility Heavy metals are naturally occurring metallic elements—such...

Hydrosalpinx

Hydrosalpinx: meaning, fertility impact, symptoms, and treatment Hydrosalpinx is a condition in which a fallopian tube becomes blocked and fills...

IVF Failure

IVF failure usually means an in vitro fertilization (IVF) cycle did not lead to a successful pregnancy or live birth....

IVF Financing

IVF Financing: What It Means IVF financing refers to the different ways patients pay for in vitro fertilization (IVF) and...

Illness Fertility

What is illness fertility? Illness fertility refers to the relationship between illness and reproductive function, including how short-term sickness, chronic...

Implantation Bleeding

Implantation bleeding: what it is Implantation bleeding is light vaginal spotting or very light bleeding that can happen when a...

Implantation Support

Implantation Support: What It Means in Fertility Care Implantation support refers to medical or lifestyle measures used to help a...

Intercourse Timing

Intercourse Timing Intercourse timing refers to planning sexual intercourse around the days in a woman’s menstrual cycle when pregnancy is...

Irregular Cycles

Irregular Cycles: What It Means Irregular cycles usually refers to menstrual cycles that do not follow a fairly predictable pattern....

Kisspeptin

Kisspeptin is a naturally occurring hormone-signaling peptide that plays a central role in puberty, testosterone regulation, sperm production, and overall...

Klinefelter Syndrome

Klinefelter syndrome is a genetic condition in which a male is born with an extra X chromosome, most commonly resulting...

L-Carnitine

L-carnitine is a naturally occurring compound made from the amino acids lysine and methionine. Its main job is to help...

Libido Issues

Libido issues refers to ongoing changes in sexual desire that feel unwanted, distressing, or out of step with a person’s...

Long COVID

Long COVID: definition, symptoms, causes, testing, and recovery Long COVID is a term used when symptoms or new health problems...

Low Libido

Low libido means a reduced interest in sexual activity. It is one of the most common sexual health concerns in...

Lycopene Supplement

What Is a Lycopene Supplement? A lycopene supplement is a product that provides lycopene, a naturally occurring red carotenoid pigment...

MOTS-c

What is MOTS-c? MOTS-c is a small peptide encoded by mitochondrial DNA that appears to help regulate how the body...

MTHFR Mutation

MTHFR mutation usually refers to a common genetic variant in the methylenetetrahydrofolate reductase (MTHFR) gene. This gene helps the body...

Magnesium Glycinate

Magnesium Glycinate: What It Is and Why People Take It Magnesium glycinate is a dietary supplement made by combining magnesium...

Male Factor

Male factor: definition and why it matters Male factor is a broad fertility term used when a man’s reproductive health...

Male Prenatal

Male prenatal refers to the idea that a man’s health before conception can influence fertility, sperm quality, and potentially pregnancy...

Mediterranean Diet

The Mediterranean Diet is a way of eating built around vegetables, fruit, legumes, whole grains, nuts, seeds, olive oil, fish,...

Men’s Health

Men’s health refers to the physical, mental, sexual, hormonal, and reproductive health issues that affect men across the lifespan. It...

Methyl Folate

Methyl folate: what it is and why it matters Methyl folate, also called L-methylfolate or 5-MTHF (5-methyltetrahydrofolate), is the active,...

Microplastics

Microplastics are tiny plastic particles, generally defined as pieces smaller than 5 millimeters, that are now found in water, food,...

Midcycle Spotting

Midcycle spotting is light vaginal bleeding or pink, red, or brown discharge that happens between regular periods, often around the...

Mind Body

Mind body refers to the ongoing, two-way connection between mental and emotional states and physical health. In plain English, it...

Morning Sickness

Morning sickness is nausea and sometimes vomiting that happens during pregnancy, most often in the first trimester. Despite the name,...

Mycoplasma Infection

Mycoplasma infection is an infection caused by a group of very small bacteria called Mycoplasma. These organisms can affect different...

NAC Supplement

NAC supplement refers to N-acetylcysteine, a supplemental form of the amino acid cysteine that the body can use to make...

Natural Conception

Natural Conception: Definition, Meaning, and Why It Matters Natural conception is pregnancy that occurs through sexual intercourse without the use...

Nicotine Fertility

Nicotine fertility refers to the relationship between nicotine exposure and reproductive health, including sperm quality, hormone balance, sexual function, and...

Nonstick Pans

Nonstick pans are cookware coated with a slick surface designed to keep food from sticking and make cooking and cleanup...

Obesity Fertility

Obesity Fertility: What It Means for Men’s Health and Reproductive Potential Obesity fertility refers to the relationship between excess body...

Oligoovulation

Oligoovulation means infrequent or irregular ovulation. Instead of releasing an egg on a predictable monthly schedule, the ovaries ovulate only...

Omega Three

Omega Three: definition, meaning, and why it matters Omega three usually refers to omega-3 fatty acids, a family of essential...

Orchitis

Orchitis is inflammation of one or both testicles. It can cause testicular pain, swelling, tenderness, fever, and a general feeling...

Ovidrel Trigger

Ovidrel trigger is a fertility medication injection used to help time ovulation. It contains choriogonadotropin alfa, a lab-made form of...

Oxidative Damage

Oxidative damage is harm caused to cells, tissues, and genetic material when reactive molecules called free radicals or reactive oxygen...

PFAS Exposure

PFAS Exposure: What It Is and Why It Matters PFAS exposure means coming into contact with a large group of...

PGT Testing

PGT Testing: What It Is, How It Works, and Why It Matters PGT testing stands for preimplantation genetic testing, a...

PGT-A

PGT-A: what it is and why it matters PGT-A stands for preimplantation genetic testing for aneuploidy. It is a laboratory...

PGT-M

What Is PGT-M? PGT-M stands for preimplantation genetic testing for monogenic disorders. It is a specialized genetic test used during...

PGT-SR

What Is PGT-SR? PGT-SR stands for preimplantation genetic testing for structural rearrangements. It is a specialized genetic test used during...

Phthalate Exposure

Phthalate Exposure: What It Means and Why It Matters Phthalate exposure refers to contact with a group of chemicals used...

Plastic Exposure

Plastic Exposure Plastic exposure refers to contact with chemicals found in plastics and plastic-treated materials through food, water, air, dust,...

Plateauing hCG

What is plateauing hCG? Plateauing hCG means that human chorionic gonadotropin (hCG) levels are no longer rising as expected over...

Postpartum Fertility

Postpartum fertility refers to a person’s ability to become pregnant again after giving birth. It does not return on the...

Pregnancy Line

Pregnancy line most commonly refers to the dark vertical line that can appear down the abdomen during pregnancy, medically called...

Pregnancy Odds

Pregnancy odds refers to the likelihood of conceiving and achieving a pregnancy in a given cycle, over a certain number...

Pregnancy Progression

Pregnancy Progression: What It Means Pregnancy progression refers to how a pregnancy develops over time, from conception through implantation, fetal...

Pregnancy Symptoms

Pregnancy symptoms are the physical and emotional changes that can happen after conception as hormone levels shift and the body...

Prenatal Genetics

What Is Prenatal Genetics? Prenatal genetics is the part of reproductive medicine that looks at a baby’s genes and chromosomes...

Processed Foods

Processed foods are foods that have been changed from their original state in some way before you eat them. That...

Prostatitis

Prostatitis: definition, symptoms, causes, and treatment Prostatitis is inflammation or irritation of the prostate gland, a small gland below the...

Puberty Delay

Puberty delay: what it means Puberty delay, also called delayed puberty, means the physical and hormonal changes of puberty start...

Reactive Species

Reactive Species Reactive species are highly active oxygen-, nitrogen-, or sulfur-containing molecules that can interact with cells, DNA, proteins, and...

Recreational Drugs

Recreational drugs are substances used primarily for their mind-altering, stimulating, calming, or euphoric effects rather than for a prescribed medical...

Reproductive Endocrinology

Reproductive endocrinology is the area of medicine and biology that studies how hormones control reproduction, sexual development, fertility, and related...

Reproductive Health

Reproductive health refers to the health of the body systems involved in sex, hormones, fertility, conception, pregnancy, and sexual function....

Reproductive Urologist

What Is a Reproductive Urologist? A reproductive urologist is a urologist with advanced expertise in male fertility, male reproductive health,...

Reverse Osmosis

Reverse Osmosis: Definition, Uses, Safety, and Why It Matters Reverse osmosis is a water purification process that uses pressure to...

SIS Test

What Is a SIS Test? A SIS test is a saline infusion sonography exam, also called a sonohysterogram or saline...

Saline Sonogram

A saline sonogram, also called saline infusion sonography (SIS) or sonohysterography, is an ultrasound test that uses sterile salt water...

Sauna Therapy

Sauna Therapy: Definition, Benefits, Risks, and Fertility Considerations Sauna therapy is the planned use of dry heat or steam exposure...

Secondary Infertility

Secondary infertility: definition, meaning, and why it matters Secondary infertility means having trouble getting pregnant or carrying a pregnancy to...

Selenium Supplement

Selenium supplement refers to a product that provides selenium, an essential trace mineral the body needs in small amounts for...

Semen Culture

Semen Culture: What It Is, Why It Matters, and What Results Mean Semen culture is a laboratory test used to...

Semen Freezing

Semen Freezing: What It Is and Why It Matters Semen freezing, also called sperm cryopreservation, is the process of collecting...

Semen Infection

Semen infection is a non-medical umbrella term people use when they think an infection may be affecting semen, sperm, the...

Semen Retention

Semen retention is the practice of intentionally avoiding ejaculation for a period of time. Some people do this for sexual,...

Seminal Fluid

Seminal fluid is the liquid portion of semen. It is produced mainly by the seminal vesicles, prostate gland, and a...

Seminal Vesicles

Seminal vesicles are a pair of small glands in the male reproductive system that sit behind the bladder and above...

Sexual Health

Sexual health is a state of physical, emotional, mental, and social well-being related to sexuality—not simply the absence of disease,...

Silent Infection

Silent infection means an infection that causes few symptoms or no symptoms at all, even though the infectious organism is...

Sleep Apnea

Sleep Apnea: Definition, Symptoms, Causes, Diagnosis, Treatment, and Men’s Health Impact Sleep apnea is a common sleep disorder in which...

Sleep Quality

Sleep Quality: What It Means and Why It Matters Sleep quality refers to how well you sleep, not just how...

Small Testicles

Small testicles usually means the testicles are smaller than expected for age and stage of development. In medical settings, this...

Smoking Fertility

Smoking Fertility: What It Means for Male Reproductive Health Smoking fertility refers to the effect that cigarette smoking, vaping nicotine...

Sperm Activation

Sperm activation refers to the set of biological changes that allow sperm to move effectively, recognize an egg, and become...

Sperm Binding

Sperm Binding: Definition, Fertility Meaning, Testing, and What Abnormal Results Can Mean Sperm binding refers to a sperm cell’s ability...

Sperm Chromatin

What Is Sperm Chromatin? Sperm chromatin is the tightly packed genetic material inside a sperm cell’s head. It contains the...

Sperm Competence

What Is Sperm Competence? Sperm competence refers to a sperm cell’s ability to successfully complete the biological steps required to...

Sperm Defects

Sperm Defects: Meaning, Causes, Fertility Impact, and What to Do Next Sperm defects are abnormalities in sperm shape, structure, movement,...

Sperm Development

Sperm development is the process by which the male body makes mature sperm cells capable of fertilizing an egg. In...

Sperm Donation

Sperm donation is the process of providing semen so sperm can be used to help another person or couple conceive....

Sperm Energy

What is sperm energy? Sperm energy refers to the fuel and power sperm cells need to swim, survive, and potentially...

Sperm Fragmentation

What is sperm fragmentation? Sperm fragmentation, more precisely called sperm DNA fragmentation, refers to damage or breaks in the genetic...

Sperm Freezing

Sperm Freezing: What It Is, How It Works, and When to Consider It Sperm freezing, also called sperm cryopreservation or...

Sperm Function

Sperm function refers to how well sperm cells perform the jobs required for fertilization: developing normally, moving effectively, surviving in...

Sperm Head

What Is the Sperm Head? The sperm head is the front portion of a sperm cell and the part that...

Sperm Health

Sperm health refers to how well sperm are made, how they function, and how likely they are to support fertilization....

Sperm Integrity

Sperm integrity refers to how structurally and functionally sound sperm cells are. In men’s fertility, it usually describes whether sperm...

Sperm Lifespan

What Is Sperm Lifespan? Sperm lifespan refers to how long sperm cells stay alive and capable of fertilization under different...

Sperm Longevity

Sperm longevity refers to how long sperm remain alive and capable of fertilizing an egg. In men’s health and fertility,...

Sperm Maturation

Sperm maturation is the step-by-step process that turns newly made sperm cells into mature sperm capable of swimming, surviving in...

Sperm Membrane

What Is the Sperm Membrane? The sperm membrane is the thin outer layer that surrounds a sperm cell and helps...

Sperm Mitochondria

Sperm mitochondria are the tiny energy-producing structures packed into the midpiece of a sperm cell. Their job is to generate...

Sperm Neck

What Is the Sperm Neck? The sperm neck is the short connecting segment between the sperm head and the tail....

Sperm Oxidative

What Is Sperm Oxidative Stress? Sperm oxidative stress refers to damage that happens when reactive oxygen species (ROS), often called...

Sperm Packaging

Sperm packaging refers to the highly specialized process by which sperm DNA is tightly compacted inside the sperm head so...

Sperm Penetration

Sperm penetration is the ability of a sperm cell to move through the protective layers around an egg and begin...

Sperm Production

Sperm production is the process by which the testes make sperm cells, the male reproductive cells needed for fertility. In...

Sperm Proteins

Sperm proteins are the many structural, functional, and signaling proteins found in sperm cells and seminal fluid that help sperm...

Sperm Quality

Sperm quality refers to how healthy and functional sperm are, especially in relation to fertility. It is not one single...

Sperm RNA

Sperm RNA refers to the collection of RNA molecules carried inside sperm cells. While sperm is best known for delivering...

Sperm Shape

Sperm Shape Sperm shape, also called sperm morphology, refers to the size and structure of a sperm cell—especially the head,...

Sperm Speed

Sperm Speed: What It Means and Why It Matters Sperm speed refers to how quickly sperm cells move through semen...

Sperm Survivability

Sperm survivability refers to how long sperm remain alive and capable of functioning after ejaculation. In men’s health and fertility,...

Sperm Swimming

What Is Sperm Swimming? Sperm swimming refers to how sperm cells move through semen and the female reproductive tract. In...

Sperm Tail

What Is a Sperm Tail? The sperm tail, also called the flagellum, is the long, whip-like part of a sperm...

Sperm Transport

Sperm transport is the movement of sperm through the male reproductive tract, into semen during ejaculation, and—after intercourse or insemination—through...

Spermmaxxing

What is spermmaxxing? Spermmaxxing is a non-medical internet term used to describe trying to improve sperm health and male fertility...

Steroid Infertility

Steroid infertility: what it means Steroid infertility usually refers to reduced male fertility caused by anabolic-androgenic steroid use, including testosterone...

Stress Management

Stress Management: Definition, Meaning, and Why It Matters Stress management is the set of strategies, habits, and treatments used to...

Sugar Intake

Sugar intake refers to how much sugar a person consumes from foods and drinks over the course of a day...

Surrogacy Journey

The surrogacy journey is the step-by-step process of building a family with the help of a surrogate, also called a...

TRT Fertility

TRT fertility: what it means TRT fertility refers to how testosterone replacement therapy (TRT) affects a man’s ability to produce...

TRT Recovery

TRT recovery refers to the process of restoring your body’s natural testosterone production after stopping testosterone replacement therapy (TRT). It...

TTC Journey

TTC journey means the trying to conceive journey—the time and process involved when a person or couple is actively attempting...

Testis Position

Testis Position: What It Means Testis position refers to where each testicle sits within the scrotum, how high or low...

Testis Size

What Is Testis Size? Testis size refers to the physical dimensions or volume of the testes (testicles), the two male...

Testosterone Therapy

Testosterone therapy is medical treatment used to raise testosterone levels in men with clinically low testosterone, also called testosterone deficiency...

Thyroid Fertility

Thyroid Fertility: What It Means and Why It Matters Thyroid fertility refers to the way thyroid hormone levels and thyroid...

Timed Intercourse

Timed intercourse is the practice of having sex during the most fertile days of the menstrual cycle to improve the...

Trenbolone Fertility

Trenbolone Fertility: What It Means for Male Reproductive Health Trenbolone fertility refers to how trenbolone use affects a man’s ability...

Trigger Shot

Trigger shot is a fertility medication injection used to help time ovulation or sperm retrieval procedures more precisely. In most...

Trying Conceive

Trying to Conceive: Meaning, Timing, Fertility Basics, and What to Do Next Trying to conceive means actively attempting to achieve...

Tubal Blockage

Tubal blockage means one or both fallopian tubes are partially or completely blocked, making it harder for the egg and...

Tubal Patency

Tubal patency means the fallopian tubes are open and allow an egg and sperm to meet, and then allow a...

Unexplained Infertility

Unexplained Infertility: Definition, Causes, Testing, and What to Do Next Unexplained infertility means a couple has been unable to conceive...

Ureaplasma Infection

Ureaplasma infection refers to an overgrowth or sexually associated spread of Ureaplasma bacteria in the urinary or genital tract. These...

Uterine Bloodflow

Uterine bloodflow refers to the movement of blood through the uterus and the arteries that supply it, especially the uterine...

Vaping Fertility

Vaping fertility refers to the relationship between e-cigarette use and reproductive health, especially sperm quality, hormone balance, sexual health, and...