Blackmun then cited medical evidence suggesting that in the secondtrimester, an abortion posed a greater threat to a woman's health than one performed in the first trimester.
然后布莱克门引用医学证据证明，在第二个三个月孕妇堕胎对健康的威胁远大于前三个月。
2
Objective To study application of rivanol in induced abortion of pregnancy with complications in the second and third trimester.
目的研究利凡诺用于中晚期高危妊娠引产的应用。
3
To compare surgical and medical methods of inducing abortion in the secondtrimester of pregnancy with regard to efficacy, side effects, adverse events, and acceptability.