characteristics of the PMTCT measures according to the period at enrolment (before or after the implementation of the revised guidelines in Benin).

SD, standard deviation; IQR, interquartile range; ART, antiretroviral therapy, PMTCT, prevention of mother-to-child transmission; ANC, antenatal care. P values obtained by chi-square or student test. 1Overall, caesarean section was indicated for PMTCT in 22% of cases, other cases had obstetrical indications. 2calculated for initiation during pregnancy. 3The median breastfeeding duration was 6 months (maximum one year).