Levonorgestrel vs. Copper Intrauterine Devices for Emergency Contraception.

David K TurokAlexandra GeroRebecca G SimmonsJennifer E KaiserGregory J StoddardCorinne D SexsmithLori M GawronJessica N Sanders

Published in: The New England journal of medicine (2021)

The levonorgestrel IUD was noninferior to the copper IUD for emergency contraception. (Supported by the Eunice Kennedy Shriver National Institute of Child Health and Human Development and others; ClinicalTrials.gov number, NCT02175030.).

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