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Complications of Chickenpox During Pregnancy
Pregnant women who have chickenpox are at risk of complications. The type of complications depend on when the infection developed during pregnancy.
- Pregnant women who have chickenpox during the first half of pregnancy may go into labor early (premature labor) or have a miscarriage.
- Pregnant women who have chickenpox in the last part of pregnancy are more likely to develop varicella pneumonia. Even a healthy pregnant woman is at risk of dying if she develops varicella pneumonia.
- Up to 2 out of 100
fetuses whose mothers have chickenpox during the first
20 weeks of pregnancy will also get chickenpox.1 This
is called congenital varicella and can cause:
- Birth defects. Birth defects can include one limb (usually a leg) smaller than the other, scars on the limbs, or eye problems such as cloudy lenses.
- Low birth weight (weigh less than expected at birth).
- Seizures. The baby can have seizures after birth.
- Intellectual disability.
- Shingles. Fetuses who have chickenpox will not have chickenpox again. But they can still have shingles, even as babies or young children.
- Death. Up to 7 out of 100 of the fetuses who get congenital varicella die.2
- Babies born within a few days of their mothers' chickenpox infection have a risk of severe chickenpox infection. These babies are at greater risk of complications from chickenpox.
| By: | Healthwise Staff | Last Revised: April 12, 2010 |
| Medical Review: | Susan C. Kim, MD - Pediatrics Thomas Emmett Francoeur, MDCM, CSPQ, FRCPC - Pediatrics | |
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