Skip to content

Health & Pregnancy

Font Size

Glossary of Fertility Terms


Postcoital Test: A standard fertility test in which a sample of cervical mucus is taken after intercourse to check the number and behavior of the sperm.

Premature Ovarian Failure: A condition in which a woman enters menopause before age 40 as a result of the ovaries ceasing ovulation and the production of estrogen.

Retrograde Ejaculation: A condition in which semen enters the bladder during ejaculation instead of leaving the penis.

Round Spermatid Nucleus Injection (ROSNI): An experimental fertilization technique in which immature sperm cells are removed from the testicle and the genetic material is injected into an egg.

Semen Analysis: A standard test of a man's semen to check the number and shape of his sperm.

Sonogram: The use of high-frequency sound waves to create images of structures inside the body.

Sperm: The main agents of male reproduction, which are produced in the testes and released into the semen.

Superovulation: Stimulation of the ovaries, usually done with hormones, that causes them to produce multiple eggs instead of one.

Tubal Ligation: A surgical procedure in which the fallopian tubes are surgically closed to prevent pregnancy.

Uterus: The womb, the main female reproductive organ.

Varicocele: A varicose vein in the scrotum that may affect the quality and the production of sperm.

Vasectomy: A surgical procedure for men that prevents sperm from reaching the urethra, making him sterile.

Zygote: An early stage in the development of a fertilized egg.

Zygote Intrafallopian Transfer (ZIFT): An assisted reproductive technique similar to IVF that involves removing sperm and eggs, combining them outside the body, and inserting fertilized eggs into the fallopian tubes.

WebMD Medical Reference

Reviewed by Trina Pagano, MD on July 14, 2014
1 | 2 | 3

Pregnancy Week-By-Week Newsletter

Delivered right to your inbox, get pictures and facts on
what to expect each week of your pregnancy.

Today on WebMD

hand circling date on calendar
Track your most fertile days.
woman looking at ultrasound
Week-by-week pregnancy guide.
Pretty pregnant woman timing contaction pains
The signs to watch out for.
pregnant woman in hospital
Are there ways to do it naturally?
slideshow fetal development
pregnancy first trimester warning signs
What Causes Bipolar
Woman trying on dress in store
pregnant woman
Close up on eyes of baby breastfeeding
healthtool pregnancy calendar
eddleman prepare your body pregnancy