title: Unexpected luteal endometrial decline in a healthy rural Polish population.
authors.forename: Kathryn B H
authors.initials: KB
authors.lastname: Clancy
mesh_terms: D000328:Adult; D016022:Case-Control Studies; D004717:Endometrium / Q000033:anatomy & histology* / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008183:Luteal Phase / Q000502:physiology*; D011044:Poland; D012424:Rural Population; D014463:Ultrasonography; D014481:United States