Orthopedics and oral administration of contraceptives.
D003276:Contraceptives, Oral / Q000009:adverse effects*; D050723:Fractures, Bone / Q000150:complications; D006801:Humans; D008159:Lumbar Vertebrae; D009985:Orthopedics; D012146:Rest; D013924:Thrombophlebitis / Q000139:chemically induced*
D003276:Contraceptives, Oral