HIV risk indicators* at screening by incident pregnancy.

*Refers to six months prior to screening interview.ΛHeavy drinking defined as 5 or more alcoholic drinks in one day; 81% (52/64) of these women were heavy drinkers.&Includes women with partners where HIV status was either all unknown, or status known for 1 of multiple partners.**Excludes 3 women with known HIV-positive partners as data too scant for a separate stratum. No pregnancies occurred among these women.