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Preeclampsia and High Blood Pressure During Pregnancy - Treatment Overview

If your blood pressure begins to rise during pregnancy, you will need close monitoring until after your baby is born. Your blood pressure may remain mildly elevated, which is not considered dangerous for you or your fetus. But it can become dangerous if it turns out to be a sign of preeclampsia or if it progresses to more severe high blood pressure (hypertension).

High blood pressure (hypertension) during pregnancy

If you have high blood pressure during your pregnancy, your treatment may include:

  • Close monitoring by a doctor for signs of preeclampsia.
  • Blood pressure medicine. Your doctor may have you take medicine if he or she thinks your blood pressure is too high. Some women with ongoing (chronic) high blood pressure stay on antihypertensive medicine but are prescribed a lower dose during pregnancy if their blood pressure improves.

Mild high blood pressure in pregnancy usually only requires close monitoring. If you have high blood pressure that is rapidly increasing or has reached moderately high levels, you may be treated with blood pressure medicine.

Severe high blood pressure (higher than 160 mm Hg systolic or 110 mm Hg diastolic) can result in poor fetal growth (intrauterine growth restriction) and is likely to be treated with an antihypertensive medicine.

Some high blood pressure medicines are dangerous during pregnancy.6 If you take high blood pressure medicines, talk to your doctor about the safety of your medicine before you become pregnant or as soon as you learn you are pregnant. Make sure that your doctor has a complete list of all medicines that you are taking.

Preeclampsia and eclampsia

If you show any signs of preeclampsia, you will be closely monitored, either with frequent office visits or in the hospital. The goal of treatment is to prevent preeclampsia from becoming life-threatening to you and your fetus while prolonging the pregnancy long enough for your fetus to be mature and healthy at birth.

Your treatment will last for the rest of your pregnancy, your delivery, and your first postpartum weeks and will depend on how severe your condition is. Treatment options include an anticonvulsant medicine; blood pressure medicine if your blood pressure is dangerously high; and delivery, which is the only known "cure" for preeclampsia.

  • For mild preeclampsia that is not rapidly getting worse, you may only have to reduce your level of activity, monitor how you feel, and have frequent office visits and testing.
  • For moderate or severe preeclampsia, or for preeclampsia that is rapidly getting worse, you may require hospitalization, where expectant management typically includes bed rest, medicine, and close monitoring of you and your fetus. Severe preeclampsia or an eclamptic seizure is treated with magnesium sulfate. This medicine can stop a seizure and can prevent seizures. If you are near delivery or have severe preeclampsia, your doctor will plan to deliver your baby as soon as possible.
  • If your condition becomes life-threatening to you or your fetus, magnesium sulfate to prevent seizure and delivery are the only treatment options. If you are less than 34 weeks pregnant and a 24- to 48-hour delay is possible, you will likely be given antenatal corticosteroids to speed up fetal lung development before delivery.

After childbirth

WebMD Medical Reference from Healthwise

Last Updated: November 03, 2010
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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