RT Book, Section A1 Cunningham, F. Gary A1 Leveno, Kenneth J. A1 Dashe, Jodi S. A1 Hoffman, Barbara L. A1 Spong, Catherine Y. A1 Casey, Brian M. SR Print(0) ID 1190770460 T1 Infectious Diseases T2 Williams Obstetrics, 26e YR 2022 FD 2022 PB McGraw Hill PP New York, NY SN 9781260462739 LK obgyn.mhmedical.com/content.aspx?aid=1190770460 RD 2024/11/10 AB Infections remain a major cause of maternal and fetal morbidity and mortality worldwide. The unique maternal–fetal vascular interface in some cases serves to protect the fetus from infectious agents, but in other instances it provides a conduit for transmission. Maternal serological status, acquisition mode, gestational age at the time of infection, and immunological status of mother and fetus all influence disease outcome.