title: ACOG Committee Opinion No. 407: low bone mass (osteopenia) and fracture risk.
mesh_terms: D015519:Bone Density; D001851:Bone Diseases, Metabolic / Q000175:diagnosis / Q000453:epidemiology*; D005260:Female; D050723:Fractures, Bone / Q000453:epidemiology*; D006801:Humans; D008875:Middle Aged; D017698:Postmenopause; D012008:Recurrence; D018570:Risk Assessment