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
Normal Pregnancy Pregnand The course that the embryo and the fetus grow in the maternal body Stages f pregnancy Early pregnancy: $12 weeks Mid pregnancy:≥13 weeks,≤27 weeks Late pregnancy: 228 weeks Term pregnancy:≥37 weeks,<42 weeks
Definition of pregnancy Pregnancy is defined as the course of embryo and fetal growth and development in uterine It begain at the fertilization and end the delivery of the fetal and it's attachment