[' ', ' ', 'OHIO', 'SPONSORING', 'ORG.:', 'NAT', 'INST', 'OF', 'ARTHRITIS', 'AND', 'MUSCULOSKELETAL', 'AND', 'SKIN', 'DISEASES', 'FY', '=:', '94', 'FONDS:', '$235,927', 'TYPE', 'OF', 'AWARD:', 'Noncompeting', 'Continuation', 'SUMMARY:', 'Identification', 'of', 'atrategies', 'for', 'minimizing', 'bone', 'demineralization', 'and', 'The', 'objective', 'of', 'this', 'longitudinal', 'trial', 'is', 'to', 'determine', 'whether', 'there', 'are', 'significant', 'changes', 'in', 'bone', 'mineral', 'content', 'and', 'calcium', 'homeostasis', 'during', 'lactation', 'and', 'the', 'post-weaning', 'periods,', 'and', 'whether', 'these', 'changes', 'are', 'influenced', 'by', 'dietary', 'calcium', 'intake.', 'The', 'specific', 'hypotheses', 'to', 'be', 'tested', 'are:', '1)', 'there', 'is', 'a', 'decrease', 'in', 'bone', 'mineral', 'content', 'in', 'mothers', 'who', 'are', 'lactating', 'for', '6', 'months', 'as', 'compared', 'to', 'postpartum', 'controls;', '2)', 'the', 'decrease', 'in', 'bone', 'mineral', 'content', 'during', 'lactation', 'is', 'less', 'in', 'women', 'with', 'a', 'high', 'calcium', 'intake;', '3)', 'there', 'is', 'an', 'increase', 'in', 'bone', 'mineral', 'content', 'post-weaning', 'as', 'compared', 'to', 'postpartum', 'controls;', 'and', '4)', 'the', 'increase', 'in', 'bone', 'mineral', 'content', 'is', 'greater', 'in', 'women', 'cohort', 'of', 'women.', '6/7/768', 'DIALOG', '(R)File', '266:Fed.', 'Res.', 'in', 'Progress', '(ce)', 'format', 'only', '1995', 'Dialog', 'Info.Svcs.', 'All', 'rts.', 'reserv.', '0113833', ':', 'IDENTIFYING', 'NO.:', '5RO1AR40430-03', 'AGENCY', 'CODE:', 'CRISP', 'BONE', 'MASS', 'IN', 'A', 'BIRACIAL', 'POPULATION', 'OF', 'YOUNG', 'ADULTS', 'ADDRESS:', 'KAISER', 'PERMANENTE', '3451', 'PIEDMONT', 'AVENUE', 'OAKLAND,', 'CA', '94612', 'PERFORMING', 'ORG.:', 'KAISER', 'FOUNDATION', 'RESEARCH', 'INSTITUTE,', 'OAKLAND,', 'SPONSORING', 'ORG.:', 'NAT', 'INST', 'OF', 'ARTHRITIS', 'AND', 'MUSCULOSKELETAL', 'AND', 'SKIN', 'Fy', ':', '94', 'FONDS:', '$161,537', 'TYPE', 'OF', 'AWARD:', 'Noncompeting', 'Continuation', 'dietary', 'calcium', 'intake,', 'physical', 'activity.', 'cigarette', '*', 'smoking,', 'alcohol', 'consumption,', 'and', 'oral', 'contraceptive', 'use.', 'Serum', 'levels', 'of', 'calciotropic', 'hormones,', 'sex', 'hormones,', 'growth', 'factors', 'and', 'indicators', 'of', 'bone', '9TOS', 'OPTTS', ' ', ' ', ' ']