Abstract
To determine whether anesthesia affects in vitro fertilization (IVF), the authors examined 3 1/2 years' experience with IVF. Anesthesia length significantly predicted fertilization and cleavage at stage 0 of stepwise multiple logistic regression analysis, but not at the final step. Oocyte grade, retrieval order, and a quadratic term for grade remained significant for fertilization; cleavage, order, the interaction of order and grade, and the quadratic term for grade remained significant. Order correlated with anesthesia (r = 0.675, P less than 0.001). Also inherent in order are CO2 pneumoperitoneum, increased prolactin, decreased gonadotropins, ovarian trauma, and time. First oocytes of equivalent grade from contralateral ovaries were compared. Fertilization rates were equivalent, but significantly fewer mature oocytes from the second ovary cleaved. Anesthetic agents and CO2 appear to adversely affect fertilization and cleavage in vitro.
Published Version
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