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What is the role of the HIV medicine during the first 1000days?

During pregnancy

Did you know that HIV medicines reduce the viral load in the body to an undetectable level? HIV viral load usually becomes undetectable within six months. The risk of HIV transmission is greatly reduced when people have an undetectable viral load. Throughout your pregnancy, it’s important that once HIV has been detected in the body for you to take the medicines. By reducing the amount of HIV in the body, HIV medicines reduce the chances that an HIV-infected woman will pass HIV to her baby during pregnancy and childbirth.

HIV medicine also passes from a pregnant woman to her baby across the placenta (also called the afterbirth). This transfer of HIV medicine prevents mother-to-child transmission of HIV, especially near delivery when a baby is most exposed to any HIV in the mother's blood and other fluids.

After birth

After birth, babies born to HIV-infected women receive HIV medicines to protect against infection from any HIV that passed from mother to child during childbirth.