What information about hydatidiform mole should patients be given?

Updated: Feb 16, 2018
  • Author: Lisa E Moore, MD, FACOG; Chief Editor: Warner K Huh, MD  more...
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Because of the small but real potential for development of malignant disease and because these malignancies are absolutely curable, the importance of consistent follow-up care must be emphasized.

To avoid any confusion about the development of malignant disease, the patient must avoid pregnancy during the period of follow-up described below (long-term monitoring). Effective contraception should be used. If a pregnancy occurs, the elevation in beta-hCG levels cannot be differentiated from the disease process.

Future pregnancies should undergo early sonographic evaluation because of the increased risk of recurrence of a molar gestation.

The risk of recurrence is 1-2%. After 2 or more molar pregnancies, the risk of recurrence has been reported as 1 in 6.5 to 1 in 17.5. [28]

For patient education resources, see the Pregnancy Center as well as Birth Control Overview and Birth Control Methods.

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