title: Women's hormone concentrations and the increasing rates of ectopic pregnancy.
authors.affiliation: Galton Laboratory, University College London, UK.
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D000367:Age Factors; D005260:Female; D014943:Global Health; D006728:Hormones / Q000097:blood*; D006801:Humans; D015994:Incidence; D007434:Intrauterine Devices; D008572:Menarche; D008954:Models, Biological; D009994:Osmolar Concentration; D005082:Physical Exertion; D011247:Pregnancy; D018873:Pregnancy Rate; D011271:Pregnancy, Ectopic / Q000453:epidemiology*; D012907:Smoking
chemical_list: D006728:Hormones