Saturday, May 26, 2012

Table of Contents

Definition

Preeclampsia is a pregnancy condition in which high blood pressure and protein in the urine develop after the 20th week (late 2nd or 3rd trimester) of pregnancy.


Alternative Names

Toxemia; Pregnancy-induced hypertension (PIH)


Causes, incidence, and risk factors

The exact cause of preeclampsia is not known. Possible causes include:

  • Autoimmune disorders
  • Blood vessel problems
  • Diet
  • Genes

Preeclampsia occurs in a small percentage of pregnancies. Risk factors include:

  • First pregnancy
  • Multiple pregnancy (twins or more)
  • Obesity
  • Older than age 35
  • Past history of diabetes, high blood pressure, or kidney disease


Review Date: 09/02/2009
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; and Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Redmond, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)