title: Parity and postmenopausal osteoporosis.
authors.forename: Chrissa
authors.initials: C
authors.lastname: Sioka
authors.forename: John
authors.initials: J
authors.lastname: Kalef-Ezra
authors.forename: Andreas
authors.initials: A
authors.lastname: Fotopoulos
mesh_terms: D005260:Female; D006801:Humans; D015663:Osteoporosis, Postmenopausal / Q000209:etiology*; D010298:Parity; D011247:Pregnancy; D012307:Risk Factors