International journal of clinical and experimental pathology · 2013
Maternal and neonatal outcomes in dichorionic twin pregnancies following IVF treatment: a hospital-based comparative study.
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Fan Cuifang, Sun Yanmei, Yang Jing, Ye Jinping, Wang Suqing
Аннотация
AIM: To compare maternal, and neonatal outcomes in IVF/ICSI and spontaneously conceived dichorionic twin pregnancy.
METHOD: We collected data regarding dichorionic twin pregnancies following in vitro fertilization/ intracytoplasmic sperm injection (IVF/ICSI, n=162) with the transfer of fresh embryos as well as data regarding spontaneously conceived pregnancies (n=213) delivered after 28 weeks of gestation at the Department of Obstetrics and Gynecology, Renmin Hospital in Wuhan in the years of 2010-2013. We then compared maternal and neonatal outcomes between IVF/ICSI and spontaneous dichorionic twin pregnancies, with a subgroup analysis separating traditional IVF from ICSI pregnancies. Odds ratios (OR) for associations between IVF/ICSI and pregnancy outcomes were adjusted for maternal factors.
RESULTS: The mean maternal age and the percentage of primiparous women were significantly higher in the IVF/ICSI group. Multivariate analysis revealed that maternal outcomes were comparable in both groups with/without adjustment for maternal age and parity. However, IVF/ICSI twins were less likely to have birth weight discordance than those spontaneously conceived (unadjusted OR=0.526, 95% CI 0.297-0.932; adjusted OR=0.486, 95% CI 0.255-0.856). In subgroup analyses, these associations were confirmed in the IVF (adjusted OR=0.496, 95% CI 0.265-0.926), but not in the ICSI group (adjusted OR=0.500, 95% CI 0.139-1.807).
CONCLUSION: IVF/ICSI treatment was not a risk factor for adverse maternal neonatal outcomes, but the risk for birth weight discordance is lower among IVF/ICSI twins.
METHOD: We collected data regarding dichorionic twin pregnancies following in vitro fertilization/ intracytoplasmic sperm injection (IVF/ICSI, n=162) with the transfer of fresh embryos as well as data regarding spontaneously conceived pregnancies (n=213) delivered after 28 weeks of gestation at the Department of Obstetrics and Gynecology, Renmin Hospital in Wuhan in the years of 2010-2013. We then compared maternal and neonatal outcomes between IVF/ICSI and spontaneous dichorionic twin pregnancies, with a subgroup analysis separating traditional IVF from ICSI pregnancies. Odds ratios (OR) for associations between IVF/ICSI and pregnancy outcomes were adjusted for maternal factors.
RESULTS: The mean maternal age and the percentage of primiparous women were significantly higher in the IVF/ICSI group. Multivariate analysis revealed that maternal outcomes were comparable in both groups with/without adjustment for maternal age and parity. However, IVF/ICSI twins were less likely to have birth weight discordance than those spontaneously conceived (unadjusted OR=0.526, 95% CI 0.297-0.932; adjusted OR=0.486, 95% CI 0.255-0.856). In subgroup analyses, these associations were confirmed in the IVF (adjusted OR=0.496, 95% CI 0.265-0.926), but not in the ICSI group (adjusted OR=0.500, 95% CI 0.139-1.807).
CONCLUSION: IVF/ICSI treatment was not a risk factor for adverse maternal neonatal outcomes, but the risk for birth weight discordance is lower among IVF/ICSI twins.