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Infectious Diseases in Obstetrics and Gynecology
Volume 1, Issue 1, Pages 7-11
Clinical Study

Intravenous Penicillin for Antenatal Syphilotherapy

Department of Obstetrics and Gynecology, Texas A&M University Health Science Center, Scott and White Clinic and Memorial Hospital, 2401 S. 31st St., Temple 76508, TX, USA

Received 10 June 1992; Accepted 19 December 1992

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A 21 year old woman (G2 P0101) of 24 weeks gestation presented with syphilis of unknown duration. Sonography revealed fetal hydrops and placental thickening. Weekly intramuscular injections of 2.4 million U Bicillin for 3 weeks was initiated as recommended by the Centers for Disease Control. Repeat sonogram 1 week after starting treatment revealed increased ascites and a new pericardial effusion. Due to the worsening fetal condition, therapy was altered and the patient was admitted for IV penicillin. She received a continuous infusion of 18 million U penicillin G daily for 10 days. Serial sonograms showed improvement offetal ascites and pericardial effusion with 10 days of IV therapy, and complete resolution of hydrops was noted within 3 weeks. The fetus was born at term with no stigmata of congenital syphilis on newborn exam, and laboratory tests suggested adequate treatment in utero.