Neonatal respiratory morbidity in twins versus singletons after elective prelabor caesarean section
Tullio Ghi1, Michela Nanni, Luca Pierantoni
1Department of Obstetrics and Gynaecology, S. Orsola-Malpighi University Hospital, Bologna, Italy. tullioghi@yahoo.com
Objective:
To compare the rate of neonatal respiratory morbidity in singletons versus twins delivered by pre-labour caesarean section.
Study Design:
Uncomplicated pregnancies delivered by prelabor caesarean section at 34+0 to 37+6 weeks' gestation were retrospectively selected. For both singletons and twins caesarean delivery was undertaken electively only after amniocentesis and if the lecithin/sphingomyelin ratio was ≥2. Neonatal respiratory morbidity was compared in twins versus singletons.
Results:
241 singletons and 100 twin neonates were included. Overall neonatal respiratory morbidity was comparable between the two groups (25/241 (11.7%) versus 7/100 (7%), p=.331). Between 34+0 and 36+6 weeks, however, the risk was higher among singleton than twins (15/46 (32.6%) versus 6/72 (8.3%), p<.001). At multiple regression, dichorionicity, gestational age at delivery ≥37 weeks and female sex independently decreased the risk of neonatal respiratory morbidity.
Conclusion:
The risk of neonatal respiratory morbidity after elective caesarean section seems lower among twins, especially prior to 37+0 weeks.
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