胎儿太大不能顺利通过，并且母亲骨盆扁平导致胎位横向。

Babies who are too big to come through, and Mothers with flat pelvises that favor a transverse delivery.

youdao

胎儿太大不能顺利通过，并且母亲骨盆扁平导致胎位横向。

Babies who are too big to come through, and Mothers with flat pelvises that favor a transverse delivery.

youdao