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Learning Objective 1: examine the cesaren rate before 39 weeks of gestation
Learning Objective 2: examine the effect of selection of specific time for birth on delivery before 39 weeks of gestation
Methods: This study applied a retrospective cohort design. The study participants were 151 women receiving cesarean delivery who had received prenatal care at 4 hospitals in Taipei and were part of a study recruiting pregnant women without complications during early pregnancy. The study participants filled up structured questionnaires at 20-24 weeks of pregnancy, 34 to 36 weeks of pregnancy, and 5 to 7 weeks after delivery.
Results: Of the 151 women, 48.3% delivered before 39 weeks of gestation and 57.6% had selected a time for cesarean delivery in advance. Mean birth gestation was 38.66 (SD=1.28) weeks. Women who selected specific time for delivery were more likely to deliver before 39 weeks of gestation (66.7% versus 23.4%, p<.001). Logistic regression analysis showed that women who had selected a specific time for delivery (OR=5.33, 95% CI: 2.35-12.09), who had disease before pregnancy (OR=3.12, 95% CI: 1.06-9.20), and who had received assisted reproductive technology (OR=10.03, 95% CI: 1.02-98.64) were more likely to deliver before 39 weeks of gestation.
Conclusion: Health professionals should advise women to deliver after 39 weeks of gestation unless the delivery is medically indicated. Consultations on appropriate time to deliver should be provided with special attention to women who want to select an auspicious time and who had received assisted reproductive technology.
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