title: The members' enquiry service: frequently asked questions.
authors.affiliation: Clinical Effectiveness Unit, Faculty of Family Planning and Reproductive Health Care, London, UK. ffp.ceu@abdn.ac.uk
authors.forename: Alison
authors.initials: A
authors.lastname: de Souza
authors.forename: Susan
authors.initials: S
authors.lastname: Brechin
authors.forename: Gillian
authors.initials: G
authors.lastname: Penney
mesh_terms: D000284:Administration, Oral; D000328:Adult; D015992:Body Mass Index; D001835:Body Weight / Q000187:drug effects; D015331:Cohort Studies; D003267:Contraception / Q000379:methods; D003271:Contraceptive Agents, Female / Q000008:administration & dosage*; D004305:Dose-Response Relationship, Drug; D019317:Evidence-Based Medicine; D005193:Family Planning Services / Q000379:methods; D005260:Female; D006801:Humans; D045167:Progesterone Congeners / Q000008:administration & dosage*; D006113:United Kingdom
chemical_list: D003271:Contraceptive Agents, Female; D045167:Progesterone Congeners