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。

youdao

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。

youdao