%0 Comparative Study
%T Comparative efficacy of combined oral contraceptives and the levonorgestrel 52 mg IUD.
%A Creinin MD
%A Brown JA
%A Rankin HA
%A Yazdani S
%J Eur J Obstet Gynecol Reprod Biol
%V 300
%N 0
%D 2024 Sep 22
%M 39054189
%F 2.831
%R 10.1016/j.ejogrb.2024.07.044
%X The relative risk of pregnancy with the levonorgestrel 52 mg IUD is 3 times lower than with optimal combined oral contraceptive use.