Can a viral infection harm my unborn baby?

How do viral infections affect the fetus?

It has been well established that viral infection of the cells at the maternal-fetal interface can affect placental function, which may result in pregnancy complications such as miscarriage, intrauterine growth restriction (IUGR), or preterm birth (PTB).

What viruses can harm an unborn baby?

Infections in pregnancy that may affect your baby

  • Chickenpox in pregnancy. …
  • CMV in pregnancy. …
  • Group B streptococcus in pregnancy. …
  • Infections transmitted by animals. …
  • Hepatitis B. …
  • Herpes in pregnancy. …
  • HIV in pregnancy. …
  • Slapped cheek syndrome in pregnancy.

Is it bad to get coronavirus while pregnant?

The overall risk of COVID-19 to pregnant women is low. However, women who are pregnant or were recently pregnant are at increased risk for severe illness with COVID-19 . Severe illness means that you might need to be hospitalized, have intensive care or be placed on a ventilator to help with breathing.

Can viruses be passed to fetus?

Vertical transmission (from the mother to the fetus or newborn) occurs most commonly after maternal primary infection, usually by the following mechanisms: transplacental after the virus infects the placenta, intrapartum via ingestion or aspiration of cervicovaginal secretions during delivery, postpartum via …

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What happens if the mother is exposed to a viral illness while pregnant?

It has been well established that viral infection of the cells at the maternal-fetal interface can affect placental function, which may result in pregnancy complications such as miscarriage, intrauterine growth restriction (IUGR), or preterm birth (PTB).

Does placenta protect baby from viruses?

The placenta is a complex, highly specialized, still little-understood organ. It helps prevent the mother’s immune system from rejecting her own fetus, while also preventing most bacteria and some viruses from passing from mother to baby.

What viruses can cross the placenta?

Maternal infections caused by most organisms which can cross the placenta (including rubella, mumps, poliomyelitis, smallpox, rubeola, syphilis, malaria, toxoplasmosis, and infections caused by S typhosa, V fetus, L monocytogenes, cytomegalovirus, and herpes simplex virus) may result in abortion or stillbirth.

Does Covid affect the placenta?

Maternal hypoxia secondary to severe COVID-19 lung infection may initiate uterine underperfusion and subsequent hypoxic-ischemic injury to the placenta.

Can Covid cause birth defects?

Any functionally alterations in early embryonic cells by the viral infection may lead to adverse birth defects. With much still unknown about COVID-19 and neurodevelopmental complications, there is an increased risk to develop congenital birth defects, if SARS-CoV-2 infection occurs during early pregnancy.