RT Book, Section A1 Bennett, Terri-Ann A1 Proudfit, Christine A1 Roman, Ashley S. A2 DeCherney, Alan H. A2 Nathan, Lauren A2 Laufer, Neri A2 Roman, Ashley S. SR Print(0) ID 1159986169 T1 Normal & Abnormal Labor & Delivery T2 CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 12e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9780071833905 LK accessmedicine.mhmedical.com/content.aspx?aid=1159986169 RD 2024/03/28 AB ESSENTIALS OF DIAGNOSISLabor is the physiologic process of childbirth defined by regular uterine contractions that result in effacement and dilatation of the cervix followed by expulsive efforts, leading to the delivery of the fetus and placenta.Delivery is the reflexive and spontaneous action of bearing down to achieve expulsion of the fetus and placenta.