Gestational age approximately _ 24 to 25 weeks . perform an emergency hysterotomy to save the life of both the mother and the infant 妊娠年龄大于等于24 25周的孕妇施行急诊剖宫产能同时挽救母亲和胎儿的生命。
2.
Gestational age approximately 20 to 23 weeks . perform an emergency hysterotomy to enable successful resuscitation of the mother , not the survival of the delivered infant , which is unlikely at this gestational age 妊娠年龄为20 23周的孕妇施行急诊剖宫产手术能对母亲成功施行复苏，但不可能挽救婴儿的生命。
