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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

Screening for Birth Defects in early Pregnancy (combined test, integrated test, and quadruple test)

Risks

There are no risks from this test itself, but there are some risks from tests that might be recommended if the test result comes back abnormal. This test can be stressful for expectant parents. Several things can cause the test to come back as abnormal even when there are no real health problems. Confusing results can happen, for example, in twin pregnancies and when mistakes have been made in estimating the age of the pregnancy.

From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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