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Fig. 1 | BMC Pregnancy and Childbirth

Fig. 1

From: Risk of obstetric anal sphincter injury increases with maternal age irrespective of parity: a population-based register study

Fig. 1

Risk of OASI by maternal age in first, second and third births. Adjusted Odds Ratio with 95% Confidence Interval (CI): Reference 1= < 25 years. Logistic regression analyses adjusted for year of birth, education, country/region of birth, smoking, BMI, infant birthweight, fetal presentation, and in second and third births history of OASI and history of cesarean section in the previous birth

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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