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What causes pregnancy dizziness (feeling faint)?

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Dizziness can occur anytime during middle to late pregnancy. Here's why it happens:

  • The hormone progesterone dilates blood vessels so blood tends to pool in the legs.
  • More blood is also going to your growing uterus. This can cause a drop in blood pressure, especially when changing positions -- and that can make you dizzy. If your blood sugar levels get too low, you may feel faint.

SOURCE:  The American Pregnancy Association.

Reviewed by Carol DerSarkissian on July 8, 2019

SOURCE:  The American Pregnancy Association.

Reviewed by Carol DerSarkissian on July 8, 2019

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What are the recommendations for pregnancy dizziness (feeling faint)?

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