HIV / HBsAg / VDRL in Pregnancy — What It Means

When is it done?

You are offered these at your first antenatal visit as part of routine care. Repeat testing in the third trimester may be advised in higher-risk situations.

Why is it done in pregnancy?

These tests are part of routine antenatal care. Each of these infections can pass from mother to baby during pregnancy or at delivery. Finding them in time allows steps that greatly lower the chance of passing them on.

About the reference range

HIV, HBsAg, and VDRL are reported as reactive or non-reactive (positive or negative). They are not measured against a numeric reference range. Your obstetrician should read the result in the clinical context.

What to discuss with your obstetrician

If any result is reactive, ask your obstetrician about the next steps. These include confirming tests and steps to protect your baby. Also ask where specialist care is available. Early information helps effective action.

Frequently asked questions

Are these tests mandatory for all pregnant women?

In India, HIV testing under the PPTCT programme is offered and advised for all pregnant women. It is part of routine antenatal care. HBsAg and VDRL are also part of the standard panel offered to everyone. Testing stays voluntary.

What happens if my HIV test is reactive?

A reactive HIV result on a first test needs a confirming test. If HIV is confirmed, your obstetrician will refer you to the right programme. This covers antiretroviral treatment and planning for safe delivery and infant feeding. Today's steps greatly lower the chance of passing it to your baby.

What does a reactive HBsAg result mean for my baby?

A reactive HBsAg result means you carry the hepatitis B virus. Your baby can get hepatitis B immunoglobulin soon after birth. Your baby can also get the first hepatitis B vaccine dose. This greatly lowers the chance of your baby being infected.

What is VDRL testing for, and what does a reactive result mean?

VDRL checks for antibodies linked with syphilis. Syphilis can pass to the baby in pregnancy and cause serious problems. A reactive VDRL needs a confirming test. If confirmed, your obstetrician and a specialist will manage it in good time.

Does a reactive VDRL always mean syphilis?

Not always. VDRL can give false-positive results with some infections, autoimmune conditions, and in pregnancy itself. A reactive VDRL always needs a confirming treponemal test. Your obstetrician will arrange this.

Sources

• NACO / Ministry of Health and Family Welfare, India (2021) — NACO Guidelines for HIV Testing in Pregnancy and Prevention of Parent-to-Child Transmission (PPTCT)
• WHO (2021) — WHO Consolidated Guidelines on HIV Prevention, Testing, Treatment, Service Delivery and Monitoring
• FOGSI (2019) — FOGSI Good Clinical Practice Recommendations: Hepatitis B in Pregnancy