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Intrauterine device use and risk of HIV acquisition in “informative with few limitations” or “informative but with important limitations” studies. *Estimates are the inverse associations of those reported by the authors. adjHR, adjusted hazard ratio; CI, confidence interval; Cu-IUD, copper intrauterine device; DMPA, depot medroxyprogesterone acetate; HR, hazard ratio; ITT, intention-to-treat; LNG, levonorgestrel; NET-EN, norethisterone enanthate
