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A comparison of maternal and perinatal outcomes and mode of delivery of twin and singleton gestations in tertiary government hospital during a 10-year period

Bernadette C. Yap, MD and Joyceline Noemi I. Silao, MD, MHA, FPOGS
Department of Obstetrics and Gynecology, Philippine General Hospital, University of the Philippines-Manila

Background: Multiple gestations, including twin gestations are commonly associated with adverse maternal, perinatal and neonatal outcomes compared with singleton pregnancies. Its incidence has shown a significant increase over the last decades.

A retrospective cohort study was made at the Department of Obstetrics and Gynecology by review of medical records of twin pregnancies and their neonates.

Objective: The purpose of this study is to describe and compare the outcomes of twin gestation against singleton pregnancies, in terms of the following: the presentation of the twin gestation, chorionicity, the mode and timing of delivery and fetomaternal complications. This study aimed to determine whether an association exists between the twin gestation and adverse perinatal outcomes.

Methodology: The study included singletons and twin gestations admitted at a tertiary government hospital admitting section within a ten-year period, 2006-2015. Confirmation of diagnosis of multiple pregnancies was obtained by ultrasound.
This retrospective cohort study conducted at a tertiary government hospital included 228 singletons and 110 twin gestations in a ten-year period.

Results: Results showed women with twin pregnancies had a higher incidence of preterm labor and delivery. Compared to singleton pregnancies, complications of prematurity are not uncommon in twin gestations. This should encourage prenatal and antenatal care in women who have twin gestations.

Conclusion: The incidence of preterm labor and delivery for twin gestation, relative to singletons, was high in the study. Twin gestations are 3-4 times more likely to present with preterm labor relative to singletons.