epidemiology Labor and delivery between28-36+6 weeks 5%-10% be the leading cause of perinatal morbidity and mortality Survival rates have increased and morbidity has decreased because of technologic advances
Objective 1、Definition、types and mechanism of osteoporosis 2、 Diagnosis、prevention and treatment of osteoporosis 3 、Etiology and Epidemiology of osteoporosis
Epidemiology 6th leading cause of death in U.S. Number one Among the infectious diseases 5.6 million patients annually in US Incidence 5~10/1,000/year Mortality in OPD patients 1-5 %, but Inpatients 25%, ICU 50-60%