Pre eclampsia

From WikiMD's Wellnesspedia

Pre-eclampsia is a pregnancy complication characterized by high blood pressure and signs of damage to another organ system, most often the liver and kidneys. Pre-eclampsia usually begins after 20 weeks of pregnancy in women whose blood pressure had been normal. Even a slight rise in blood pressure may be a sign of pre-eclampsia. Left untreated, pre-eclampsia can lead to serious — even fatal — complications for both mother and baby.

Signs and Symptoms[edit | edit source]

Pre-eclampsia often has no symptoms. High blood pressure may develop slowly, or it may have a sudden onset. Monitoring your blood pressure is an important part of prenatal care because the first sign of pre-eclampsia is commonly a rise in blood pressure. Blood pressure that exceeds 140/90 millimeters of mercury (mm Hg) or greater — documented on two occasions, at least four hours apart — is abnormal.

Other signs and symptoms of pre-eclampsia may include:

  • Excess protein in your urine (proteinuria) or additional signs of kidney problems
  • Severe headaches
  • Changes in vision, including temporary loss of vision, blurred vision or light sensitivity
  • Upper abdominal pain, usually under your ribs on the right side
  • Nausea or vomiting
  • Decreased urine output
  • Decreased levels of platelets in your blood (thrombocytopenia)
  • Impaired liver function
  • Shortness of breath, caused by fluid in your lungs

Causes[edit | edit source]

The exact cause of pre-eclampsia involves several factors. Experts believe it begins in the placenta — the organ that nourishes the fetus throughout pregnancy. Early in pregnancy, new blood vessels develop and evolve to efficiently send blood to the placenta.

In women with pre-eclampsia, these blood vessels don't seem to develop or function properly. They're narrower than normal blood vessels and react differently to hormonal signaling, which limits the amount of blood that can flow through them.

Treatment[edit | edit source]

The only cure for pre-eclampsia is delivery. You're at increased risk of seizures, placental abruption, stroke and possibly severe bleeding until your blood pressure decreases. Of course, if it's too early in your pregnancy, delivery may not be the best thing for your baby.

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