题目内容
有关妊娠的概念，正确的是
2021-10-13
A.妊娠20周以内分挽为流产
B.妊娠28周至36周分娩为早产
C.妊娠38周至41周分挽为足月产
D.妊娠43周之后分婉为过期产
E.在分挽过程中胎儿死亡称死产
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