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体外受精(IVF)后将胚胎冻存为不孕夫妇提供了诸多的好处。本文提出冻存胚胎可减少或避免多胎妊娠,又维持合理的妊娠率,并且妊娠率与胚前期植入胚胎数有关。作者将美国Norfolk生殖医学会1987年10月～
Cryosurgery of embryos after in vitro fertilization (IVF) offers many benefits for infertile couples. This article suggests that cryopreservation of embryos can reduce or avoid multiple pregnancy, but also to maintain a reasonable pregnancy rate, and the pregnancy rate and the number of embryos implanted embryos. The author will the United States Norfolk reproductive medicine in 1987 October ~