| http://www.w3.org/ns/prov#value | - Which brings me to a recent study published in the New England Journal of Medicine.iii Out of the 7,500 women in the study, who used various forms of birth control including an intrauterine device (IUD), implant, birth control pills, patch, ring and contraceptive injection, 334 became pregnant, 156 of which were due to birth control failure.
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