title: Sonographic imaging in progestin users and future directions.
authors.affiliation: Department of Obstetrics and Gynaecology, Bedford Hospital, UK. r.varma@ntlworld.com
authors.forename: R
authors.initials: R
authors.lastname: Varma
authors.forename: L
authors.initials: L
authors.lastname: Mascarenhas
mesh_terms: D017135:Desogestrel; D004717:Endometrium / Q000187:drug effects; D005260:Female; D006801:Humans; D016912:Levonorgestrel / Q000494:pharmacology; D008598:Menstruation / Q000187:drug effects*; D010053:Ovary / Q000000981:diagnostic imaging* / Q000187:drug effects; D045167:Progesterone Congeners / Q000494:pharmacology*; D014463:Ultrasonography; D014599:Uterus / Q000000981:diagnostic imaging* / Q000187:drug effects; D014621:Vagina / Q000000981:diagnostic imaging*; D014753:Vinyl Compounds / Q000494:pharmacology
chemical_list: D045167:Progesterone Congeners; D014753:Vinyl Compounds; C044815:etonogestrel; D016912:Levonorgestrel; D017135:Desogestrel