Ovarian hyperstimulation syndrome is the overstimulation of the
ovaries that may occur as a result of assisted reproductive technology (ART).
ART is a type of infertility treatment that uses multiple eggs at one time to
raise the chances of producing embryos that are good candidates for
Before an ART procedure, a woman uses medicine or hormones to
stimulate multiple egg production (superovulation). The eggs are then collected
for laboratory use. In a small number of ART cycles, superovulation
overstimulates the ovaries. This problem is called ovarian hyperstimulation
Doctors watch closely for signs of ovarian hyperstimulation
during superovulation. When this condition occurs, the medicine is stopped.
Any procedure, such as egg collection, planned for that particular cycle is
postponed until all symptoms are gone, usually in 2 to 4 weeks.
Ovarian hyperstimulation syndrome can be mild, moderate, or
December 7, 2011
Sarah Marshall, MD - Family Medicine & Femi Olatunbosun, MB, FRCSC - Obstetrics and Gynecology
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