Ganesh V, Apuzzio J J, Dispenziere B, Patel K, Bergen B, Louria D B
Am J Obstet Gynecol. 1986 May;154(5):1113-4. doi: 10.1016/0002-9378(86)90768-4.
Single-dose trimethoprim-sulfamethoxazole prophylaxis after clamping of the umbilical cord decreased the rate of endomyometritis in high-risk patients by 50% when compared with placebo. This drug combination may affect the normal flora of the cervix the least so that superinfections should be rare.