PRENATAL, LABOR/ DELIVERY AND POSTPARTUM CARE PRENATAL, LABOR/ DELIVERY AND POSTPARTUM CARE A. STAGES OF HUMAN PRENATAL DEVELOPMENT 1. First 12-14 days – zygote 2. 15th day – 8th week – embryo 3. 8th week – time of birth – fetus B. GERM LAYERS 1. Endoderm 2. Mesoderm 3. Ec…