Infertility Research Today is a free monthly online journal that collates and summarizes the latest research about Infertility, including details on male and female infertility, treatment, causes, pregnancy.

Measuring estradiol levels after human chorionic gonadotropin administration for in vitro fertilization is not clinically useful.

Chiasson MD, Bates GW, Robinson RD, Arthur NJ, Propst AM

Division of Reproductive Endocrinology and Infertility, San Antonio Uniformed Services Health Education Consortium, Wilford Hall Medical Center, Lackland Air Force Base, Texas, USA. Melissa.Chiasson@us.army.mil

A retrospective analysis of 844 IVF-ET cycles demonstrated that changes in E(2) levels after administration of hCG do not influence fertilization, implantation, pregnancy, or live-birth rates. In vitro fertilization cycles with a declining E(2) level have comparable success to those with no change or increasing E(2) levels and should proceed to oocyte retrieval.

Published 5 February 2007 in Fertil Steril, 87(2): 448-50.
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