TY - CHAP M1 - Book, Section TI - Late Pregnancy Complications 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 DIAGNOSISEstimated gestational age of greater than 20 0/7 weeks and less than 37 0/7 weeksRegular uterine contractions at frequent intervalsDocumented cervical change or appreciable cervical dilatation or effacement SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/28 UR - obgyn.mhmedical.com/content.aspx?aid=1159953685 ER -