Assumed perinatal HIV transmission rates for different antiretroviral drug (ARV) regimens
| ARV regimen | Percentage | Reference |
| No ARV | 20 | 20 |
| Single-dose nevirapine | 11 | 21 22 |
| Combination therapy using dual prophylaxis | 4 | 23 24 |
| Combination therapy using triple prophylaxis ARV | 2 | 20 |
| Highly active antiretroviral treatment | 2 |