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The Capital Region of Denmark - a part of Copenhagen University Hospital
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Pregnancy outcomes in a cohort of women with a preconception body mass index >50 kg/m²

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We describe characteristics and risk factors regarding pregnancy outcome in women with a preconception body mass index (BMI) >50 kg/m² compared with women with BMI ≤50 kg/m² in a retrospective population cohort study in singleton pregnancies from the Danish Medical Birth Registry. Results were analyzed as relative risks by a two-proportion z-test. Women with preconception BMI >50 kg/m² smoked, developed gestational diabetes and pre-eclampsia, and needed induction of labor more frequently than mothers with BMI ≤50 kg/m². Examination of the case records showed that many attempted vaginal delivery without epidural analgesia, 21% needed an emergency cesarean section (compared with 12% among women with BMI ≤50 kg/m²), and 25% underwent general anesthesia in this context. Many neonates were macrosomic and 34% needed neonatal intensive care and early feeding compared with 6% of neonates from women with BMI ≤50 kg/m². Women with an extremely high preconception BMI develop more pregnancy complications and their neonates appear affected by this as well.
Original languageEnglish
JournalActa Obstetricia et Gynecologica Scandinavica
Volume92
Issue number9
Pages (from-to)1111-4
Number of pages4
ISSN0001-6349
DOIs
Publication statusPublished - Sep 2013

    Research areas

  • Adult, Body Mass Index, Cesarean Section, Cohort Studies, Diabetes, Gestational, Female, Humans, Incidence, Obesity, Pre-Eclampsia, Pregnancy, Pregnancy Outcome, Registries, Risk Factors, Smoking

ID: 42695276