Progestin-only injectable contraception with depot medroxyprogesterone acetate (DMPA) has the potential to offer top-tier efficacy because it has a first-year failure rate of only 0.3% if used ...

alone compared with those treated with CEE plus medroxyprogesterone acetate (MPA). 2 What requires clarification, according to the investigators, is whether CEE-plus-MPA therapy is associated with ...