- Polymicrobial early postpartum endometritis with facultative and anaerobic bacteria, genital mycoplasmas, and Chlamydia trachomatis: treatment with piperacillin or cefoxitin. Rosene, K., Eschenbach, D.A., Tompkins, L.S., Kenny, G.E., Watkins, H. J. Infect. Dis. (1986)