Glossary of Terms

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O

Oocyte

See Egg.

Ovarian Hyperstimulation

Complication of taking fertility drugs resulting in gross enlargement of the ovaries. In other words, hyperstimulation occurs when the ovaries produce excess eggs in response to stimulation by fertility drugs. This complication can be accompanied by an accumulation of fluid in the abdomen and lungs, and abnormal blood tests. However, hyperstimulation occurs in this severe form, requiring medical intervention, less then 1% of the time. Additionally, we monitor the body's response to fertility drugs, which allows us to see which patients are at risk in order to take the proper steps to prevent any problems from occurring.

Ovarian Reserve

As a woman gets older, the number of viable, healthy eggs remaining in her ovaries diminishes. While a woman continues to ovulate monthly from her late 30s until menopause, the eggs she produces are increasingly at risk for genetic abnormalities such as Down syndrome. Ovarian reserve is a term used to refer to a woman's "reproductive potential"; i.e., the chances that a woman will have a successful pregnancy with her own eggs. In order to evaluate ovarian reserve, doctors use tests such as the FSH and Estradiol level on Cycle Day 2 or 3, AMH (Anti-Mullerian Hormone) level, and Antral Follicle Count. 

Ovary

The small oval organs measuring 2 by 1.5 inches present in a woman's pelvis and responsible for making eggs.

Ovulation

The process by which a mature egg is released from the surface of an ovary.

Ovulation Induction

Stimulation of the ovaries by fertility drugs to produce and release one or more eggs.

Ovulation Predictor Kit

See Ovulation.

Ovum Donation

See Egg Donation.