title: Contraceptive pellet:  small size but long life.
mesh_terms: D003267:Contraception; D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D005193:Family Planning Services; D009640:Norethindrone; D009644:Norgestrel
chemical_list: D003270:Contraceptive Agents; D003271:Contraceptive Agents, Female; D009644:Norgestrel; D009640:Norethindrone
keywords: Contraception; Contraceptive Agents; Contraceptive Agents, Female; Contraceptive Agents, Progestin; Contraceptive Implants; Contraceptive Methods; Family Planning; Norethindrone; Norethindrone Acetate; Norgestrel