#懷孕 「存活邊緣」早產早期破水
ref: Prelabor Rupture of Membranes: ACOG Practice Bulletin, Number 217. Obstet Gynecol. 2020 Mar;135

ref: Prelabor Rupture of Membranes: ACOG Practice Bulletin, Number 217. Obstet Gynecol. 2020 Mar;135

Ref: Activity Restriction in Pregnancy and the Risk of Early Delivery: The AWARE Study. Obstet Gyne
