Afterfortyweeksofpregnancy,orabouttwohundredandeightydays,theexpectantmothergoesintolabor.Awomanofeighttoninemonthsofpregnancymaynoteadullpainintheabdomen,yetbefreeofothersymptomsofimpendingbirth.Thisdullpainwillthenspontaneouslydisappear.Itisalsopossible (共 1802 字) [閱讀本文] >>