Due to the fluid needed by the fetus and placenta, a pregnant woman's body retains more sodium and water than usual, increasing the risk of edema.

Your risk of edema may be increased if you take certain medications, including:

  • Drugs that open blood vessels
  • Calcium channel blockers
  • Nonsteroidal anti-inflammatory drugs (NSAIDs)
  • Estrogens
  • Diabetes medications called thiazolidinediones
Oct. 13, 2011

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