Objective: To compare the outcome betweensingleton-pregnancy and twin-pregnancy after assisted reproductive technology (ART), and toprovide theoretic basis and data support forgiving ART patientsthe best embryo-transfer choice.Methods: The clinical data of 1 148 pregnancies after successfully using ART in Shenzhen were retrospectively analyzed, including 712 singleton-pregnancies and 436 twin-pregnancies.Results: Compared with twin-pregnancy individuals, the singleton-pregnancy women showed higher pregnant age (P<0.05), longer gestational week (P<0.001) and lower cesarean section proportion (P<0.001), with lower rate of premature, low-weight, birth defect and stillbirth in infants (P<0.05). Moreover, the neonatal Apgar scores in 1 minute and 5 minutes of singleton-pregnancy group were significantly higher than those of the twin-pregnancy group (P<0.05).Conclusion: Compared with twin-pregnancy, singleton-pregnancy can significantly lower cesarean section rate, reduce pregnancy complications and improve childbirth quality. Therefore, higher quality single birth pregnancy in ART is a better option. |
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