Fig. 1From: Preconception underweight impact on postnatal osteoporotic fracture: a retrospective cohort study using Japanese claims dataFlowchart of the study. Osteoporotic fracture was defined as vertebral fractures, distal radius fractures, proximal humerus fractures, femoral proximal fractures, rib fractures, pelvic fractures, and lower leg fractures. JMDC, Japanese nationwide claims databaseBack to article page