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| Prevalence and influence factors of postpartum repeat abortion: a cross-sectional study in 15 provinces in China |
| 1．School of Public Health, Fudan University, Shanghai, 200032; 2. NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies |
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Abstract To investigate the prevalence and influence factors of the postpartum repeat abortion (PRA) of women in China, and to provide scientific evidences for reducing PRA effectively. Methods: The study was conducted in China. 18000 postpartum women were randomly selected from 60 hospitals in 15 provinces. 300 postpartum women who gave a birth in the each participating hospital between July 2015 and June 2016 were interviewed for collecting the information on women's induced abortion before and after delivery, postpartum contraceptive used, resumption of sexual activity after delivery, etc. Descriptive analysis and 2 level binominal Logistic regression were used in data analysis．Results: Among the 18045 postpartum women who were investigated in this study, the rates of postpartum repeat abortion by the end of 3, 6, and 12 months after delivery were 0.21% (95%CI: 0.14%-0.27%), 0.89% (95%CI: 0.75%-1.04%), and 3.46% (95%CI: 3.19%-3.73%), respectively. The results of logistic regression analysis showed that women’s age, occupation, education level, first choices of postpartum contraceptive methods, time difference between sexual resumption and postpartum contraceptive initiation, and length of breastfeeding were the significant influence factors of PRA. Conclusion: The one-year rate of PRA of the women is relatively high. Postpartum contraceptive intervention should be strengthened for the young women, and the women with mental work, low educational level, and short duration of breastfeeding. Contraceptive methods should be used before sexual resumption for postpartum women.
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