Normal Labor
Objective
Definition of labor.Determinate Factors of LaborAnatomical considerations:The female pelvis.The fetal skull.The stages of labor.The mechanism of labor (vertex, LOA). Management of normal labor.
Definitions：Labor is the process by which contractions of the gravid uterus expel the fetus and the other products of conception after 28 weeks from the last menstrual period.Term Delivery：A term delivery occurs between 37 and 42 weeks from the last menstrual period.