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.
結果:ART後晚期流産和早産的相關因素有宮頸操作次數、胎膜早破以及雙胎妊娠,選擇性減胎術亦可增加晚期流産的危險。