title: IUDs: which device?
authors.affiliation: Abacus Centres for Family Planning and Reproductive Health, Liverpool, UK.
authors.forename: Jo
authors.initials: J
authors.lastname: Dennis
authors.forename: Naomi
authors.initials: N
authors.lastname: Hampton
mesh_terms: D003257:Consumer Product Safety; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper / Q000009:adverse effects; D007436:Intrauterine Devices, Medicated / Q000009:adverse effects; D016912:Levonorgestrel; D018579:Patient Selection; D011247:Pregnancy; D045167:Progesterone Congeners; D013673:Technology Assessment, Biomedical
chemical_list: D045167:Progesterone Congeners; D016912:Levonorgestrel