Enroll all women at 24-26 weeks gestation who have registered for obstetrical care in prenatal clinics operated by the Contractor in a study designed to determine whether by identification and treatment of certain microbial organisms, the incidence of prematurity can be reduced.
| Walters, M D; Eddy, C A; Gibbs, R S et al. (1988) Antibodies to Chlamydia trachomatis and risk for tubal pregnancy. Am J Obstet Gynecol 159:942-6 |
