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  • Is it worth reducing twins ...
    Luo, Lu; Fan, Xiong‐zhi; Jie, Hui‐ying; Gao, Yong; Chen, Minghui; Zhou, Canquan; Wang, Qiong

    Acta obstetricia et gynecologica Scandinavica, October 2019, 2019-10-00, 20191001, Volume: 98, Issue: 10
    Journal Article

    Introduction Many studies have shown that multifetal reduction of high‐order multiple pregnancies results in improved pregnancy outcomes. However, whether conducting elective fetal reduction from dichorionic twins after in vitro fertilization (IVF) is worthwhile remains controversial. This study aimed to determine whether elective fetal reduction of dichorionic twins after IVF and embryo transfer (IVF‐ET) is associated with increased take‐home baby rate. Material and methods This was a retrospective cohort study of 3600 dichorionic twin pregnancies after IVF‐ET. The reduced group included 71 women with transvaginal elective fetal reduction between 7 and 8 weeks of gestation. The control group (n = 3529) comprised women who were managed expectantly. Propensity score matching was conducted before pregnancy outcomes were compared. Results The take‐home baby rate was significantly lower in the reduced group (83.1% vs 92.8%, P = 0.004). The total miscarriage rate was significantly higher in the reduced group (12.7% vs 6.2%, P = 0.04). Although preterm delivery rate was lower in the reduced group (P < 0.001), over 90% were over 32 weeks, whereas the proportions were equal in the reduced group. Conclusions In dichorionic twin pregnancies after IVF‐ET, elective fetal reduction to singleton significantly decreased the chance of taking home live babies.