A Clinician's Guide to Prenatal and Postnatal CareAbout This Hardback The field of obstetrics is concerned with the care of women through the period of pregnancy until after delivery. An important objective of this field is to provide adequate prenatal and postnatal care. Prenatal care is a form of preventive healthcare, which ensures that potential health problems are prevented and treated throughout the course of pregnancy by promoting a healthy lifestyle which benefits the mother and the child.