spontaneous miscarriages 自发性流产
prevent miscarriages 防止流产
recurrent miscarriages 反复流产
threatened miscarriage 流产征兆
A: Why are they discussing miscarriages in this medical seminar?
A：为什么他们在这次医学研讨会上讨论流产问题？
B: Because they want to study the biological causes.
B：因为他们想研究其生物学原因。
1) 妊娠早期的自发性流产
2) 计划或尝试的失败
3) 法律或行政程序的终止
1. 流产
noun
1. The spontaneous loss of a pregnancy before the fetus can survive outside the womb.
2. The failure of a plan, project, or attempt.
Synonym: abortion, failure