(HealthDay News) -- Preeclampsia occurs when there's a swift and significant spike in blood pressure during pregnancy. It can be dangerous for both the pregnant woman and the unborn baby.

The Womenshealth.gov website says affected pregnant women may have these typical symptoms of preeclampsia:

  • High blood pressure.
  • Swollen hands and face.
  • High levels of protein in the urine.
  • Stomach pain.
  • Blurry vision and/or dizziness.
  • Frequent headaches.