摘要
目的 :探讨体外受精 -胚胎移植后单卵双胎的发生率、病因、诊断及防治方法及复习相关文献。方法 :对我院2 0 0 0年 1～ 10月接受 IVF- ET治疗后妊娠病例的临床资料进行回顾性分析。结果 :共有 75 1例体外受精 -胚胎移植周期 ,330例临床妊娠 ,其中 4例 (2例为接受 ICSI治疗 )病人在妊娠 7周超声检查发现为单卵双胎 ;常规 IVF及 ICSI后单卵双胎的发生率无显著性差别。其中 2例单卵双胎合并单胎妊娠患者接受选择性减灭单卵双胎孕囊治疗。结论 :IVF-ET后单卵双胎的发生率增加 ,但其原因尚不清楚 ,选择性减胎术是有效的方法。
Objectives:To study the incidence,etiology of monozygotic twinning after IVF ET;the sonographic diagnosis and the obstetrical care,which allowed the birth of health babies.Methods:A retrospective study of monozygotic twinning IVF procedures between January 2000 and October 2000. Results:A total of 751 IVF ET procedures were analysed.Three hundred and thirty clinical pregnancies were achieved in analysed group.Four cases underwent ultrasound examination at 7 weeds gestation showed monozygotic twinning.In two of those cases the embryos were obtained after ICSI.There is no significant difference between IVF and ICSI.Two cases,a triplet pregnancy occurred with MZ co existing with a singleton pregnancy were performed selective reduction.Conclusions:The incidence of monozygotic twinning is increased in group pregnancies resulting from IVF ET.No single risk factor can explain these phenomena.Selective reduction is an effective methods.This type of pregnancy needs special obstetrical attention.
出处
《实用妇产科杂志》
CAS
CSCD
北大核心
2001年第6期353-355,共3页
Journal of Practical Obstetrics and Gynecology
关键词
单卵双胎
妊娠结局
助孕技术
体外受精
胚胎移植
Monozygotic twinning
Assisted reproduction
Technology
Pregnancy outcome
In vitro fertilization
Embryo transfer
