Scar tissue that attaches to the surfaces of organs.


Therapeutic or artificial insemination with donor sperm. During this procedure, sperm from a donor is placed into a woman’s cervix.


Sex hormones which are present in much higher concentrations in men than women.


An M.D./Ph.D. who specializes in the study of male reproduction.


The total absence of ovulation. Menses may still occur.

Antisperm Antibody Testing

Is done to determine if a man’s sperm or a woman’s blood harbors substances that cause his sperm to clump together, lose motility, or lose the ability to fertilize an egg.


The absence of sperm in the seminal fluid. This may be due to a blockage or an impairment of sperm production.

Beta HCG (HCG)

A hormone, human chorionic gonadotropin, produced by a pregnancy. Measurement of beta hCG is the blood test used to confirm a pregnancy and to follow its progression.

Biochemical Pregnancy

Same as Chemical Pregnancy.

Blighted Ovum (Egg)

A general term used to describe the situation when a fertilized egg that fails to survive after implantation in the uterus.

Blocking Antibodies

Substances produced by a pregnant woman to prevent her body from recognizing the developing embryo as a foreign agent and manufacturing antibodies against the fetus.

Bromocriptine (Parlodel)

An oral medication used to lower prolactin levels.

CBC (Complete Blood Count)

This is a routine preoperative blood test. This test gives information regarding infection and anemia.

Cervical Mucus

Secretions produced by the cervix which vary in viscosity according to the phase of the menstrual cycle, and become penetrable by sperm in the days preceding ovulation.

Chemical Pregnancy

A positive hCG level in the blood that fails to continue to rise and does not lead to a clinical pregnancy.


This is a microorganism that may be transmitted by sexual contact. Chlamydia can exist in the reproductive tract without symptoms and cause infertility. If present, both partners must be treated. The test for chlamydia involves obtaining a sample of cervical cells (like a pap smear).

Clinical Pregnancy

Clinical evidence of pregnancy including increasing hCG levels and either an ultrasound examination showing an intrauterine gestational sac or in cases of abnormal pregnancies, examination of tissue confirming an ectopic pregnancy or miscarriage.

Clomiphene Citrate (Clomid/Serophene)

A synthetic drug used to stimulate the body’s own production of FSH and LH.

Corpus Luteum

The special gland that forms on the ovary at the site of the released egg and produces the hormone progesterone during the second half of the menstrual cycle. If pregnancy occurs, the corpus luteum persists and produces the progesterone necessary to support pregnancy.


The freezing of excess eggs or embryos from an IVF cycle. The eggs and/ or embryos are preserved for future transfer by storing them at very low temperatures.

Donor Egg(s), Donor Oocyte(s)

Eggs that are removed from the ovaries of one woman for use by another.

Donor Insemination

Same as ADI.

Donor Sperm

Usually a donor is a young healthy, who has fathered pregnancies.
Sperm that are collected from a man who is not the woman’s spouse to be used to artificially inseminate her. Usually this sperm is obtained in a frozen state after testing for infectious diseases.

Ectopic Pregnancy

An embryo implanting and developing outside the uterus, usually in a fallopian tube, on an ovary, or in the abdominal area.


The term used to describe the early stages of fetal growth.

Embryo Transfer

A procedure during which a fertilized egg is placed either into the uterus, as during IVF/ICSI, with the goal of implantation and pregnancy.


The presence of endometrial-like tissue (the normal uterine lining) in abnormal locations, such as the fallopian tubes, ovaries and peritoneal cavity.

Endometrial Biopsy

A small sample of tissue removed from the lining of the uterus for microscopic examination to determine the presence or absence of progesterone stimulation, and presence of any infection like tuberculosis. This diagnostic test, which performed in the hospital, is a simple procedures, not requiring any anesthesia, as painful as an injection prick, is over in a matter of a few minutes, following which the patient can do her normal activities.

Erythrocyte Sedimentation Rate (ESR)

This test indicates if a latent infection exists in the body.


The primary steroid hormone produced by the ovaries from puberty to menopause.

Estradiol Level (E-2 Level)

The principal form of estrogen in reproductive age women. Its level is measured in the blood to determine follicular maturation prior to ovulation.

Fallopian Tube

Either of a pair of tubes that conduct eggs from the ovary to the uterus. Normal fertilization takes place within this structure.


Penetration of an egg by a sperm.


The developing human organism after the embryo stage from the ninth week of pregnancy to the moment of birth.


A non-cancerous smooth muscle tumor found within the wall of the uterus. Also known as a myoma.


Fluid-filled structure on the ovary which contains the ripening egg and from which the egg is released at ovulation or retrieved during the treatment cycle. The follicle also produces estradiol.

Follicle Stimulating Hormone (FSH)

A hormone produced in the pituitary gland that stimulates the ovary to ripen a follicle for ovulation. In the male, FSH stimulates sperm production.

Follicular Phase

The portion of the menstrual cycle when ovarian follicle development takes place.


A sperm or an egg.

Gonadotropin Release Hormone (GnRH)

A hormone released from the hypothalamus that controls the synthesis and release of the pituitary hormones FSH and LH.


A hormone capable of stimulating the testicles or the ovaries to produce sperm or an egg, respectively. FSH and LH are gonadotropins. Drugs which are gonadotropins include Gonal-F, Recagon, Bravelle, Menopur and Luveris.

HIV (Human Immunodeficiency Virus) Antibodies

Test done on the blood of both the husband and wife to screen for previous exposure to the AIDS virus.

Hormonal Assay

Also known as hormone tests. These include FSH (follicle stimulating hormone), LH (luteinizing hormone), Prolactin, Estradiol, Testosterone, and Progesterone. A hormone is a substance that is released from special tissues in the body, carried in the blood and has special roles that it exerts upon the body.

Human Chorionic Gonadotropin (HCG)

A hormone secreted by the placenta during pregnancy. This hormone is also the basis of most pregnancy tests.

Human Menopausal Gonadotropin (HMG)

A natural product containing both human FSH and LH. The hormones are extracted from the urine of postmenopausal women. The drug is used to treat both male and female infertility and to stimulate the development of multiple oocytes.


A swelling in the scrotum containing fluid.

Hysterosalpingogram (HSG, Hysterogram)

An x-ray procedure during which dye is introduced into the uterus through the cervix and passed through the tubes to determine if they are open. This also shows the configuration of the uterus (any irregularities, fibroids, etc).


Visualization of the inside of the uterus through the cervix with a telescope-like device. This procedure is performed to evaluate and treat abnormalities inside the uterine cavity. This procedure can be performed alone or in conjunction with a laparoscopy, where and when indicated. It is helpful in diagnosing and treating polyps, adhesions, sub mucous myomas etc.


Intracytoplasmic Sperm Injection.

Idiopathic Infertility (Unexplained Infertility)

The term used when no reason can be found to explain the cause of a couple’s infertility.


The embedding of the fertilized egg, or embryo, in the lining of the uterus.


The inability to conceive or carry a pregnancy to term after one year of regular, unprotected intercourse.

Intracytoplasmic Sperm Injection (ICSI)

Injection of a single sperm into the center of an egg using an injection device, under a microscope. This technique of micromanipulation is very useful for cases with male factor infertility.

Intrauterine Insemination (IUI)

The introduction of specially prepared sperm (Husband or donor) directly into the uterus through the cervix by means of a catheter. Usually pain less.

In Vitro Fertilization (IVF)

The procedure during which an egg is removed from a mature follicle and fertilized by a sperm outside the human body.


A surgical procedure where a telescope-like device is inserted through a small incision near the navel in order to visualize the pelvic cavity, the ovaries, fallopian tubes and uterus, diagnose and treat several causes of infertility.

LH Surge

A spontaneous release of large amounts of Luteinizing Hormone (LH) that preceds ovulation.

Leuprolide Acetate (Lupron)

A drug which functions like GnRH. It is used to suppress a woman’s secretion of FSH and LH so that her ovaries will respond approiately to fertility drugs.

Lupron “Flares”

This stimulation takes advantage of the initial rise or “flare” of gonadotropins (LH and FSH) which occurs 24 hours after the start of Lupron administration.

Lupron “Down-Regulation”

A treatment cycle in which Lupron is used to suppress a woman’s internal hormone secretion before injection of gonadotropins to stimulate follicular development (see Lupron “Flare”, Lupron).

Luteal Phase

The days of a menstrual cycle following ovulation and ending with menstruation. During this 12 to 16 day period, the hormone progesterone is produced.

Luteinizing Hormone (LH)

A hormone produced and released by the pituitary gland. It is responsible for triggering ovulation; in the male, LH stimulates testosterone production.


A common benign tumor of the muscle of the uterus. This is sometimes called a fibroid.


The surgical removal of fibroid tumors from the wall of the uterus.


A condition in which the number of sperm in a semen sample is abnormally low.


The egg cell produced in the ovaries. Also called the ovum or female gamete.


Release of a mature egg from the surface of the ovary.

Ovulation Induction

The use of hormone therapy (Clomiphene Citrate, letrozole, injectable gonadotropins) to stimulate oocyte development and release.

Papanicolaou Smear (Pap Test)

This is a screening test to evaluate the cells of the cervix to determine if they are normal. It is done by gently touching the cervix with a cotton swab, a wooden spatula or a special small brush and then examining the cells under a microscope.

Progesterone (P4)

A hormone produced and released by the corpus luteum of the ovary during the second half of an ovulatory cycle. Progesterone is necessary to prepare the lining of the uterus for the implantation of the fertilized egg. During pregnancy, it is produced by the placenta. Supplemental support can be provided by injection or in vaginal or oral forms when indicated.


A hormone produced by the pituitary gland that, when elevated, can inhibit normal ovulation.

Secondary Infertility

The inability to conceive or carry a pregnancy after having successfully conceived and carried one or more pregnancies.

Semen Analysis (SA)

Freshly ejaculated semen is evaluated under a microscope to count the number of sperm (count), the percentage of moving sperm (motility), and to assess the size and shape of the sperm (morphology).

Sperm Antibodies

Antibodies against sperm cells which may attack and destroy them. These antibodies can be produced either by men against their own sperm or by women.

Sperm Wash

Technique for separating sperm from seminal fluid.


The total inability to reproduce. Not to be confused with infertility.


Administration of hormones which induce development of multiple ovarian follicles. See ovulation induction.


The two male sexual glands, contained in the scrotum. They produce the male hormone testosterone and produce the male reproductive cells, the sperm.

Testicular Biopsy

A small surgical excision of testicular tissue to determine the presence of normal sperm.


The most potent male sex hormone. It is produced in the testes, and to lesser amounts, in tha ovaries.


Technique for visualizing the follicles in the ovaries or the fetus in the uterus.

Vaginal Ultrasound

Visualization of pelvic structures by projecting sound waves through a probe that is inserted into the vagina. A baseline ultrasound shows the ovaries in their unstimulated state. A follicular ultrasound shows egg follicle maturation. A pregnancy ultrasound shows if a pregnancy is intrauterine or tubal and measures growth of the fetus.


A collection of varicose veins in the scrotum. Blood flows in an abnormal direction in these veins towards the testicles.


An embryo in the early stages of development.

Infertility Abbreviations

Abbreviation Full Form
ART Assisted Reproductive Technology
BMI Body Mass Index
CCT Clomiphene Citrate Challenge Test
CF Cystic Fibrosis
D&C Dilatation & Curettage
DES Diethylstilbestrol (a synthetic estrogen)
DI Donor Insemination
Dx Diagnosis
E2 Estradiol
ET Embryo Transfer
FAQ Frequently Asked Questions
FET Frozen Embryo Transfer
FTC Fallopian Tube Canalization
HSG Hysterosalpingogram
ICSI Intracytoplasmic Sperm Injection
IUI Intrauterine Insemination
IVF In Vitro Fertilization
LPD Luteal Phase Defect
OHSS Ovarian Hyperstimulation Syndrome
P4 Progesterone
PCT Post-coital Test
PCO Polycystic Ovaries
PCOS Polycystic Ovary Syndrome
PID Pelvic Inflammatory Disease
PGD Preimplantation Genetic Diagnosis
PMS Pre-Menstrual Syndrome
Rx Prescription
SA Semen Analysis
STD Sexually Transmitted Disease
U/S Ultrasound
PT Pregnancy Test
UTI Urinary Tract Infection