live birth index 出生成活率
certificate of live birth 出生证明书
live- birth order 活产序列
live birth order 活产胎次
Single live birth 单一活产
live birth infants 活产婴儿
以上来源于: WordNet
N the birth of a living child 活婴 → compare stillbirth
A number of relevant outcomes including pregnancy and live birth (LB) rates were investigated.
包括妊娠率和活产率在内的多项相关结果被研究。
Change in the miscarriage rate, live birth rate per cycle started, or the multiple pregnancy rate.
流产率，已启动的周期活胎出生率或多胎妊娠率的变化。
But the latter group, it turns out, was less likely to miscarry again and more likely to have a live birth.
但是结果证明，后者再次流产的可能性较小，并且婴儿安全出生的几率较大。
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