A rise in births following contraceptive failure in France between 2010 and 2016: results from the French national perinatal surveys

Table 5 Relative risk of contraceptive failure according to survey year stratified by last contraceptive method

	Contraceptive failure
	Pill		IUD/patch/implant/vaginal ring		Male condom		Withdrawal, periodic abstinence or other method
	aRR^a	95% CI	aRR^a	95% CI	aRR^a	95% CI	aRR^a	95% CI
Year
2010	Ref	–	Ref	–	Ref	–	Ref	–
2016	1.40	1.26–1.56	0.99	0.69–1.43	1.43	1.13–1.80	1.00	0.70–1.43

aRR, adjusted risk ratio; CI, confidence interval
^aAdjusted for maternal age, country of birth, parity, abortion history, level of education, live with a partner, monthly household resources and health insurance coverage at the beginning of pregnancy

ISSN: 1472-6874