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Figure 2 | BMC Pregnancy and Childbirth

Figure 2

From: Effects of caesarean section on maternal health in low risk nulliparous women: a prospective matched cohort study in Shanghai, China

Figure 2

Flow diagram of screening, matching and follow-up indicating losses from the original cohort of the study. a The preliminary screening was conducted in the antenatal clinics and re-screening in the maternity wards after birth; b Eligible women in the caesarean section group were matched with those who delivered vaginally (Figure 1) according to the matching criteria; c Post-partum investigations were made in the maternity wards, and follow-up of 1 month, 6 months and 12 months post-partum in the Maternity and Child Health Institutes affiliated to MCHs.

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