Comparison of the outcomes between transvaginal and abdorminal multifetal reduction achieved by in vitro fertilization-embryo transfer

Objective To investigate the outcomes of fetal reduction for multifetal pregnancies between transvaginal and abdominal approach. Methods Multifetal pregnancies were enrolled from our hospital during Jan. 2014 to Dec. 2016. Totally 110 transvaginal and 78 abdormianl reduciton were included, the rate of abortion, preterm birth, birth weight, birth week were analyzed between the two groups. Results Compared with abdormianl group (5.13%, 6.12%), transvaginal group had higher preterm rate (17.27%), higher preterm rate in reduced twins (19.40%). Conclusion Compared with abdominal group, transvaginal reduction group had higher preterm rate for 34-37 weeks of gestation, especially in reduced tiwns. Key words: Multifeal pregnancies; Fetal reduction; Transabdominal reduction; Abdominal reduction; Pregnancy outcome