作者
Marit L Bovbjerg, Anna Maria Siega‐Riz
发表日期
2009/9/1
期刊
Birth
卷号
36
期号
3
页码范围
200-207
出版商
Blackwell Publishing Ltd
简介
Background: The current rate of cesarean delivery in the United States is 31 percent. Previous studies have suggested that exercise during pregnancy may be associated with a lower risk of cesarean delivery, but sample sizes were small and methods often inadequate. This study examined whether or not an association exists between prenatal exercise and delivery mode using data from the 2004 and 2005 North Carolina Pregnancy Risk Assessment Monitoring System (PRAMS) survey. Methods: PRAMS postpartum questionnaire responses about frequency of exercise during the last 3 months of pregnancy for 1,955 women without a prior cesarean delivery were linked to birth certificates. Results: Among 1,342 women delivering at term, exercise was not associated with delivery mode in this data set: compared with women exercising less than once a week, neither women …
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ML Bovbjerg, AM Siega‐Riz - Birth, 2009