Impact of reproductive history on in vitro fertilization and intracytoplasmic sperm injection outcome: Evidence from the German IVF Registry

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Abstract

Objective: To evaluate the effect of reproductive history on the outcome of different procedures in assisted reproductive technologies (ART) comparing IVF, ICSI, and cryopreserved embryo transfer (CPE). Design: Prospective registration of ART cycles and their outcomes. Setting: One hundred three reproductive programs in Germany. Patient(s): Women undergoing 174,909 ART procedures from January 1998 through December 2000. Intervention(s): Data analysis of reproductive history collected by the German IVF Registry; multiple logistic regression modeling of success rates. Main Outcome Measure(s): Effect of type of conception and outcome of previous pregnancies, duration of infertility, female's age, and type of ART on clinical pregnancy rate per retrieval. Odds ratios with 95% CIs are reported. Result(s): More than one previous pregnancy was negatively correlated with outcome of IVF, ICSI, or CPE. This association disappeared when female age was restricted to a maximum of 35 years. A previous pregnancy achieved by spontaneous conception had less impact on outcome of IVF, ICSI or CPE outcome than did a previous assisted conception. Previous live births and miscarriages demonstrated a statistically significant increase compared with ectopic pregnancies and induced abortions. Conclusion(s): Reproductive history must be considered when counseling subfertile couples. Female age, method of conception, and previous pregnancy outcome have a significant effect on IVF, ICSI, and CPE outcome. © 2003 by American Society for Reproductive Medicine.

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APA

Kupka, M. S., Dorn, C., Richter, O., Felberbaum, R., & Van Der Ven, H. (2003). Impact of reproductive history on in vitro fertilization and intracytoplasmic sperm injection outcome: Evidence from the German IVF Registry. Fertility and Sterility, 80(3), 508–516. https://doi.org/10.1016/S0015-0282(03)00760-X

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