RT Book, Section A1 Dziadosz, Margaret A1 Roman, Ashley S. A2 DeCherney, Alan H. A2 Nathan, Lauren A2 Laufer, Neri A2 Roman, Ashley S. SR Print(0) ID 1159954210 T1 Multifetal Gestation 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=1159954210 RD 2024/04/19 AB ESSENTIALS OF DIAGNOSISThe presence of 2 or more embryonic or fetal heartbeats seen on ultrasound