Of CD4-eligible women , 100 ( 59.2 % ) women under Intervention and 79 ( 50.6 % ) women under Usual Care completed CD4 phlebotomy before 26 weeks gestation , adjusted odds ratio ( aOR , adjusted for time that a clinic initiated Intervention ) 0.87 ( 95 % confidence interval [ CI ] 0.47-1 .63 , P = 0.67 ) .