Pre-eclampsia is a problem that occurs in some women during pregnancy. Blood pressure increases and protein appears in the urine. This usually occurs during the second half of pregnancy.
The cause of pre-eclampsia is unknown.
Pre-eclampsia is more common in African-American women, and in women aged 40 years and older. Other factors that may increase your chance of pre-eclampsia:
Women with pre-eclampsia may have no symptoms. It is important to see your doctor regularly during pregnancy to detect problems early.
In women with symptoms, pre-eclampsia may cause:
The doctor will ask about your symptoms and medical history. A physical exam will be done.
Preeclampsia is diagnosed if a pregnant women has high blood pressure and significant protein in her urine.
Tests may include:
Treating pre-eclampsia early can prevent its progression to eclampsia, which are seizures caused by severe pre-eclampsia.
Treatment may include:
The only way to cure pre-eclampsia is to deliver the baby. The decision for delivery depends a combination of factors, such as:
Labor may happen naturally or it may be induced. If there are life-threatening circumstances for either the mother or the baby, a cesarean section may be required. During labor, you may need medication to control blood pressure and prevent seizures.
Mild pre-eclampsia can often be managed with rest and medication
the baby is close to term. Your doctor may recommend medications to:
If your home situation is stable and you live close to the hospital, your doctor may recommend that you rest at home in a quiet environment. Home treatment may include:
If pre-eclampsia is moderate or your home situation is not restful, the doctor may admit you to the hospital. Treatment may include:
To help reduce your chance of pre-eclampsia or other pregnancy complications:
American Congress of Obstetricians and Gynecologists
Family Doctor—American Academy of Family Physicians
The Society of Obstetricians and Gynaecologists of Canada
Women's Health Matters
High blood pressure in pregnancy.
National Heart, Lung, and Blood Institute website. Available at:
http://www.nhlbi.nih.gov/health/resources/heart/hbp-pregnancy. Accessed August 5, 2013.
Hypertensive disorders of pregnancy. EBSCO DynaMed website. Available at:
http://www.ebscohost.com/dynamed.ebscohost.com. Updated May 28, 2013. Accessed August 5, 2013.
Preeclampsia and high blood pressure during pregnancy. American Congress of Obstetricians and Gynecologists website. Available at:
http://www.acog.org/~/media/For%20Patients/faq034.pdf?dmc=1&ts=20130314T1318525934. Accessed August 5, 2013.
Pregnancy-induced hypertension. American Academy of Family Physicians Family Doctor website. Available at:
http://familydoctor.org/familydoctor/en/diseases-conditions/pregnancy-induced-hypertension.html. Updated August 2010. Accessed August 5, 2013.
9/30/2008 DynaMed's Systematic Literature Surveillance
http://www.ebscohost.com/dynamed: Samuels-Kalow ME, Funai EF, Buhimschi C, et al. Prepregnancy body mass index, hypertensive disorders of pregnancy, and long-term maternal mortality.
Am J Obstet Gynecol
7/6/2006 DynaMed's Systematic Literature Surveillance
http://www.ebscohost.com/dynamed: Villar J, Abdel-Aleem H, Merialdi M, et al. World Health Organization randomized trial of calcium supplementation among low calcium intake pregnant women.
Am J Obstet Gynecol. 2006;194(3):639-649.
7/6/2009 DynaMed's Systematic Literature Surveillance
http://www.ebscohost.com/dynamed: Kumar A, Devi SG, Batra S, Singh C, Shukla DK. Calcium supplementation for the prevention of pre-eclampsia.
Int J Gynaecol Obstet. 2009;104(1):32-36.
8/6/2010 DynaMed's Systematic Literature Surveillance
http://www.ebscohost.com/dynamed: Bujold E, Roberge S, Lacasse Y, et al. Prevention of preeclampsia and intrauterine growth restriction with aspirin started in early pregnancy: a meta-analysis.
2010;116(2 Pt 1):402-414.
6/9/2014 DynaMed's Systematic Literature Surveillance
http://www.ebscohost.com/dynamed: Qin JZ, Pang LH, Li MJ, et al. Obstetric complications in women with polycystic ovary syndrome: A systematic review and meta-analysis. Reprod Biol Endocrinol. 2013;11:56
Last reviewed May 2015 by Andrea Chisholm
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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