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Frequency of asymptomatic genital herpes in pregnant women at term.

A group of 579 asymptomatic women from Jackson Memorial Hospital, Miami, Florida, and 207 from Kaiser Foundation Hospital in Honolulu, Hawaii, admitted in labor at 37 to 40 weeks of gestation had vaginal cultures for herpes simplex virus (HSV). No cultures were positive and no neonates developed HSV infection. Seven patients gave a history of previous HSV infection in the group from Florida and three from the group in Hawaii. Herpes appears to be a low incidence risk factor in both the populations studied.