The field of study involved with pregnancy, childbirth and the postpartum period is known as obstetrics. The chief areas within obstetrics are prenatal and postnatal care. Prenatal care helps to screen for various complications of pregnancy through routine lab tests and physical examinations. CBC tests, general antibody screen test, ultrasound, amniocentesis, MSAFP/quadruple screen test, hematocrit, glucose loading test, etc. are done during the first, second and third trimesters of pregnancy. Some of the pregnancy-related emergencies include ectopic pregnancy, placental abruption, pre-eclampsia, fetal distress, shoulder dystocia, uterine rupture, etc. Postnatal care is provided to mothers following parturition. The mother is examined for bowel and bladder function, and bleeding. This book provides comprehensive insights into the field of obstetrics. It traces the progress of this field and highlights some of its key principles and practices. The extensive content of this book provides the readers with a thorough understanding of the subject.