late spontaneous abortion

Results:The factors were:Operating frequency of cervical,premature rupture of membrane,twin pregnancies. Selection embryo reduction was the correlation factor of late spontaneous abortion,too.
結(jié)果:ART後晚期流産和早産的相關(guān)因素有宮頸操作次數(shù)、胎膜早破以及雙胎妊娠,選擇性減胎術(shù)亦可增加晚期流産的危險。