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Preeclampsia and High Blood Pressure During Pregnancy - Treatment Overview
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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
If you have moderate to severe preeclampsia, your risk of seizures (eclampsia) continues for the first 24 to 48 hours after childbirth (in very rare cases, seizures are reported later in the postpartum period). So you may continue magnesium sulfate for 24 hours after delivery.4
Unless you have chronic high blood pressure, your blood pressure is likely to return to normal a few days after delivery. In rare cases, it can take 6 weeks or more. Some women still have high blood pressure 6 weeks after childbirth yet return to normal levels over the long term. If your blood pressure is still high after delivery, you may be given a blood pressure medicine. You will then have regular checkups with your doctor to monitor your recovery.
What To Think About
To prepare for a talk with your doctor or nurse-midwife about your condition, see questions to ask your doctor about high blood pressure and pregnancy.
High blood pressure medicine
Lowering blood pressure with medicine:
- Does not prevent preeclampsia from getting worse, because high blood pressure is only a symptom of the condition, not a cause.
- Can reduce blood flow to the placenta if blood pressure is lowered too rapidly, causing problems for the fetus. So medicine is reserved for preventing severely high blood pressure levels that are potentially life-threatening to you or your fetus.
Delivery
A vaginal delivery is usually safest for the mother and is attempted first if she and the baby are both stable. If preeclampsia is rapidly getting worse or fetal monitoring suggests that the baby cannot safely handle labor contractions, a cesarean section (C-section) delivery is needed.
Ongoing issues
Preeclampsia usually does not cause long-term problems. Healthy habits, such as regular exercise and eating a healthy diet, may help prevent future health problems. If you have had preeclampsia, talk to your doctor about what you can do to stay healthy.
| By: | Healthwise Staff | Last Revised: November 3, 2010 |
| Medical Review: | Sarah Marshall, MD - Family Medicine William Gilbert, MD - Maternal and Fetal Medicine | |
© 1995-2011 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.
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