Premature rupture of membranes occurred in four cases (7.7%), and preterm delivery in 20 (38.4%).
Premature rupture of membranes occurred in four cases (7.7%), and preterm delivery in 20 (38.4%).
4名患者（7.7%）发生胎膜早破，20例患者发生早产（38.4%）。
Premature rupture of membranes occurred in four cases (7.7%), and preterm delivery in 20 (38.4%).
4名患者（7.7%）发生胎膜早破，20例患者发生早产（38.4%）。