索引词Premature rupture of membranes, onset of labour within 24 hours、胎膜早破,在24小时之内产程开始、胎膜早破,破裂24小时之内产程开始、胎膜早破,破裂24小时之内产程开始,未特指妊娠周数、产程开始前不足24小时羊膜囊破裂
同义词premature rupture of membranes, onset of labour within 24 hours of rupture、premature rupture of membranes, onset of labour within 24 hours of rupture, unspecified weeks of gestation、rupture of amniotic sac less than 24 hours prior to the onset of labour