title: Ovarian pregnancy in a patient with a levonorgestrel intrauterine system in situ.
authors.affiliation: Princess Royal University Hospital, South London Healthcare NHS Trust, Orpington, Kent, UK.
authors.forename: Omar
authors.initials: O
authors.lastname: Kazal
authors.forename: Asem A
authors.initials: AA
authors.lastname: Ali
mesh_terms: D000328:Adult; D003271:Contraceptive Agents, Female / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007436:Intrauterine Devices, Medicated; D016912:Levonorgestrel / Q000008:administration & dosage*; D010053:Ovary; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis* / Q000601:surgery
chemical_list: D003271:Contraceptive Agents, Female; D016912:Levonorgestrel