Quick Answer

STDs can pass to babies during childbirth through contact with infected blood, vaginal secretions, or lesions. Syphilis crosses the placenta anytime during pregnancy; herpes transmits during vaginal delivery if active lesions; HIV transmits through birth canal fluids; gonorrhea and chlamydia infect the baby's eyes during passage.

  • Syphilis: crosses placenta at any stage — treatment with penicillin prevents congenital syphilis.
  • Herpes: C-section recommended if active lesions or prodromal symptoms present at delivery.
  • HIV: ART during pregnancy + IV during labor + infant prophylaxis + formula feeding = <1% transmission.
  • Gonorrhea/chlamydia: treating the parent before delivery prevents neonatal conjunctivitis.

Context Most Pages Skip

The question of whether to deliver vaginally or by C-section depends on the specific infection and its activity at delivery.

What to ask your OB

By the time you deliver, you should know: your HIV/syphilis/hepatitis B status, whether you have active genital herpes, and whether you were treated for chlamydia/gonorrhea. If any of these are unknown, testing is urgent.

Frequently Asked Questions

Can a baby get an std from breastfeeding?

STDs can pass to babies during childbirth through contact with infected blood, vaginal secretions, or lesions. Syphilis crosses the placenta anytime during pregnancy; herpes transmits during vaginal delivery if active lesions; HIV transmits through birth canal fluids; gonorrhea and chlamydia infect the baby's eyes during passage.

Can a baby get std in the womb?

STDs can pass to babies during childbirth through contact with infected blood, vaginal secretions, or lesions. Syphilis crosses the placenta anytime during pregnancy; herpes transmits during vaginal delivery if active lesions; HIV transmits through birth canal fluids; gonorrhea and chlamydia infect the baby's eyes during passage.

Can baby get std from mom?

STDs can pass to babies during childbirth through contact with infected blood, vaginal secretions, or lesions. Syphilis crosses the placenta anytime during pregnancy; herpes transmits during vaginal delivery if active lesions; HIV transmits through birth canal fluids; gonorrhea and chlamydia infect the baby's eyes during passage.

Do newborns get teste for std in minnesota?

STDs can pass to babies during childbirth through contact with infected blood, vaginal secretions, or lesions. Syphilis crosses the placenta anytime during pregnancy; herpes transmits during vaginal delivery if active lesions; HIV transmits through birth canal fluids; gonorrhea and chlamydia infect the baby's eyes during passage.

⚕️ This page is educational and does not replace advice from a licensed clinician. If you may have been exposed to an STI, get tested — most infections are manageable, and many are fully curable.

Sources & Further Reading

Figures reflect CDC surveillance and WHO estimates; they are population statistics, not personal risk predictions.