Table 2.

HSV-2 seroconversion at different time points after childbirth

Period observed	Enrollment - 4 months pp* (5 months)	4-9 months pp* (5 months)	Enrollment - 9 mths pp* (10 months)
Seroconverters, n	7	13	20
Seronegative women, n	173	166	173
Person-time	72.1 person-years	69.2 person-years	144.2 person-years
Incidence per
100 PYAR* (95%CI)	9.7 (5.4-14.3)	18.8 (13.9-26.1)	13.9 (9.1-19.6)
Sexually active mothers, n (%)	144 (83.3%)	147 (88.4%)	153 (88.4)%
Person-time	60.0 person-years	61.3 person-years	127.5 person-years
Incidence per 100 PYAR* in sexually active mothers (95%CI)	11.7 (6.5-16.9)	21.2 (16.2-294)	15.7 (10.9-22.8)

*PYAR - Person years at risk, *pp - postpartum