Sex ratio of live birth offspring by different ART procedures and type of birth.
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IVF = in vitro fertilization; ICSI = intracytoplasmic sperm injection; ET = embryo transfer; ART = assisted reproductive technology; SSR = secondary sex ratio.*Insemination method was not clear in 10,365 cycles.Sex ratio of live birth offspring by different ART procedures and type of birth.
创建时间：
2015-12-02
