PMTCT Pathway Prevention of Mother-to-Child Transmission · NACO 2021 · v1.0
Option B+: Lifelong ART for ALL pregnant and breastfeeding women living with HIV, regardless of CD4 count or WHO stage.
1. Maternal Parameters
2. Infant Parameters
⚙ PMTCT Evidence Summary
MTCT risk without intervention: 15 to 45% (5 to 10% in utero, 10 to 15% during labour, 5 to 20% through breastfeeding). With optimal PMTCT, risk reduces to < 2%.
Infant NVP Dosing by Weight
Birth WeightNVP DoseVolume (10mg/mL syrup)
≥ 2.5 kg15mg OD1.5 mL OD
2.0 to 2.49 kg10mg OD1.0 mL OD
< 2.0 kg2mg/kg ODCalculated per weight
Infant AZT Dosing (High-Risk Prophylaxis)
Birth WeightAZT DoseVolume (10mg/mL syrup)
≥ 2.5 kg4mg/kg BDCalculate per weight
2.0 to 2.49 kg2mg/kg BDCalculate per weight
< 2.0 kg2mg/kg BDCalculate per weight
Early Infant Diagnosis (EID) Schedule
AgeTestRationale
6 weeksHIV DNA PCR (DBS)First virological test. Detects in utero / intrapartum transmission.
6 monthsHIV DNA PCRDetects breastfeeding transmission. Repeat if still breastfeeding.
12 monthsHIV DNA PCR (if breastfeeding)End-of-breastfeeding test.
18 monthsHIV Antibody (Rapid test)Confirmatory. Maternal antibodies cleared by 18 months.
Abbreviations: PMTCT · MTCT (Mother-to-Child Transmission) · EID (Early Infant Diagnosis) · DBS (Dried Blood Spot) · NVP (Nevirapine) · AZT · LBW (Low Birth Weight) · VLBW (Very Low Birth Weight) · PCR (Polymerase Chain Reaction)
References
  1. NACO. National Guidelines for Prevention of Parent-to-Child Transmission of HIV. 2021.
  2. NACO. National Guidelines for HIV Care and Treatment. 2021.
  3. WHO. Consolidated guidelines on HIV. 2021.
How to Cite

AMA: Umakanth S. PMTCT Pathway. MEDiscuss. 2026. Accessed .

Vancouver: Umakanth S. PMTCT Pathway [Internet]. MEDiscuss.org; 2026 [cited ]. Available from:

Category Therapeutic Pathways & Algorithms
Specialties Internal Medicine, Infectious Diseases, Obstetrics & Gynaecology, Paediatrics, HIV Medicine