RT Book, Section A1 Hess, Philip E. A2 Hess, Philip E. A2 Li, Yunping A2 Kowalczyk, John J. A2 Stiles, Justin K. SR Print(0) ID 1199673366 T1 Maternal Early Warning System T2 Obstetric Anesthesia: Quick References & Practical Guides YR 2023 FD 2023 PB McGraw Hill PP New York, NY SN 9781264671465 LK obgyn.mhmedical.com/content.aspx?aid=1199673366 RD 2024/04/18 AB The rate of maternal mortality has been increasing in the United States. The maternal mortality rate for 2020 was 23.8/100,000 live births compared with a rate of 17.4 in 2018.1