title: Contraceptive implants: pregnancies and problems with removal.
mesh_terms: D003271:Contraceptive Agents, Female / Q000008:administration & dosage* / Q000009:adverse effects; D017135:Desogestrel / Q000008:administration & dosage / Q000009:adverse effects*; D020878:Device Removal / Q000009:adverse effects*; D004343:Drug Implants; D004347:Drug Interactions; D005260:Female; D005548:Foreign-Body Migration / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D018570:Risk Assessment; D012307:Risk Factors
chemical_list: D003271:Contraceptive Agents, Female; D004343:Drug Implants; C044815:etonogestrel; D017135:Desogestrel