TY - CHAP M1 - Book, Section TI - Normal & Abnormal Labor & Delivery 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. PY - 2019 T2 - CURRENT Diagnosis & Treatment: Obstetrics & Gynecology, 12e 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. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - obgyn.mhmedical.com/content.aspx?aid=1159986169 ER -