Prenatal care includes more than growth checks and ultrasounds. It also includes screening for infections that can pass from you to your baby. Most pregnant people are offered STD testing at their first visit, and some tests are repeated later. This guide explains which tests are routine, when they are offered, what can change the schedule, and what happens if a result is positive. It is general information, not medical advice, so talk with your healthcare provider about your own care.
Key Takeaways
- Syphilis, HIV, hepatitis B, and hepatitis C screening is recommended for all pregnant people
- Chlamydia and gonorrhea testing is routine at the first prenatal visit
- Some tests are repeated in the third trimester or at delivery when risk is higher
- Many STDs have no symptoms, so testing is the only way to know
- Treatment during pregnancy can lower the chance of passing an infection to your baby
Why STD testing is part of routine prenatal care
Prenatal visits are not only about tracking your baby's growth. They are also a chance to catch infections that can quietly affect a pregnancy. Many STDs cause no symptoms at all, so testing is often the only way to know one is there (see asymptomatic STDs). Infections such as syphilis, HIV, hepatitis B, and chlamydia can pass from you to your baby during pregnancy, labor, or delivery. Finding them early gives your provider time to start treatment that lowers those risks. Screening is not a judgment about your past or your relationship. It is standard care offered to nearly every pregnant person in the United States, and for many adults it is one of the few times they get tested at all. You can decline any test, but it helps to understand what is recommended, when it happens, and what a result would mean for you and your baby.
Which STD tests are routine in pregnancy
| Test | When it is offered |
|---|---|
| Chlamydia and gonorrhea | First prenatal visit; again in the third trimester if you are under 25 or have risk factors |
| Syphilis | First prenatal visit; again in the third trimester and at delivery if risk is higher |
| HIV | First prenatal visit; again in the third trimester if risk is higher |
| Hepatitis B | First prenatal visit, and often again at delivery |
| Hepatitis C | Once during each pregnancy, usually at the first prenatal visit |
| Trichomoniasis, BV, and herpes | Not routine; tested if you have symptoms or a known exposure |
When testing happens during pregnancy
Most routine screening happens at your first prenatal visit, which is often in the first trimester. A single blood sample can cover HIV, syphilis, hepatitis B, and hepatitis C. A urine sample or a swab can cover chlamydia and gonorrhea. Results usually come back within a few days to a couple of weeks, though some clinics are faster. Certain tests are repeated later. If your risk is higher, your provider may repeat HIV or syphilis testing in the third trimester or at delivery. Chlamydia and gonorrhea are often retested in the third trimester for people under 25 or with ongoing risk. Hepatitis B is frequently checked again at delivery so a newborn can receive preventive care if needed. Repeat testing does not mean something is wrong. Guidelines are written this way because a new infection at any point can affect a newborn. If you are unsure what a panel covers, what a full STD panel includes breaks it down.
Tests your provider may add based on your situation
- Symptoms such as unusual discharge, sores, or burning when you urinate
- A new sexual partner during pregnancy
- A partner who has an STD or symptoms you are unsure about
- A past STD diagnosis or a positive test earlier in this pregnancy
- Living in an area with higher rates of syphilis or HIV
- Any exposure you want to discuss, even if it feels minor
What a positive result means during pregnancy
If a test comes back positive, it does not mean your pregnancy is in danger. It means you and your provider have information you can act on. Many infections can be treated safely during pregnancy, and treatment lowers the chance of passing the infection to your baby. Depending on the infection, your provider may monitor you more closely, adjust your care plan, or plan treatment during labor. Your baby may receive preventive medicine or extra checks after birth. A qualified healthcare provider can prescribe effective treatment and explain each step in plain language. Good questions to ask: How could this affect my baby? What treatment is safe for me right now? Does my partner need testing or treatment? When should I be retested? You can read more about STD treatment options and STDs and pregnancy.
Cost, privacy, and talking with your provider
Prenatal STD screening is usually covered as part of maternity care, including under most insurance plans and Medicaid. If cost is a worry, ask the clinic about sliding scale fees, public health department testing, or free testing programs before you decide to skip a test. Your results are protected health information, handled like any other part of your medical record. Some people feel awkward discussing sexual history with a provider. That conversation is routine in prenatal care, and you can keep it brief. You can also request a test at any visit if something changes or you are simply worried. For timing questions, how long after exposure to test and how often to get tested are helpful reads. Always talk with your healthcare provider about decisions that affect your health and your pregnancy.
Frequently Asked Questions
Is STD testing during pregnancy mandatory?
No. Most screening is strongly recommended and offered to everyone, but you can decline any test. Your provider should explain the benefits and risks so you can decide what is right for you.
Can I get an STD test later in pregnancy if I missed the first visit?
Yes. Testing can be done at any point in pregnancy, and some tests are repeated later anyway. Tell your provider if you want to be screened or retested.
Will a positive STD test change how I deliver?
Sometimes. It depends on the infection, how far along you are, and whether treatment clears it in time. Your provider will explain your options and the reasoning behind them.
Does prenatal STD screening cost extra?
It is usually part of routine prenatal care and covered by most insurance plans and Medicaid. If you are unsure, ask the clinic about costs and assistance programs before your visit.