[High concentrations of serum estradiol in assisted reproduction].

Objectives: To analyze the influence of the levels of estradiol on the day of HCG in the pregnancy rate (PR) of ICSI and oocyte donation.

Study Design: Retrospective, comparative.

Material And Methods: 333 patients underwent ICSI and 66 in oocyte donation were included dividing them according to the level of estradiol: a) < 1,000 pg/mL, b) 1,001-3,000 pg/mL and c) > 3,000 pg/mL.