Parity and osteoporosis.
D015502:Absorptiometry, Photon; D000368:Aged; D001842:Bone and Bones / Q000032:analysis / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D005260:Female; D005269:Femur / Q000033:anatomy & histology; D006801:Humans; D008663:Metacarpus / Q000033:anatomy & histology; D008875:Middle Aged; D010024:Osteoporosis / Q000453:epidemiology* / Q000209:etiology*; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications; D011884:Radius / Q000033:anatomy & histology