title: New regimen of injectable contraceptives.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007273:Injections, Intramuscular; D008525:Medroxyprogesterone / Q000008:administration & dosage / Q000009:adverse effects / Q000031:analogs & derivatives*; D017258:Medroxyprogesterone Acetate; D009640:Norethindrone / Q000008:administration & dosage / Q000009:adverse effects / Q000031:analogs & derivatives*
chemical_list: D017258:Medroxyprogesterone Acetate; D008525:Medroxyprogesterone; C024319:norethindrone enanthate; D009640:Norethindrone