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Hydatidiform Mole: Likelihood Ratios

Introduction: Hydatidiform mole is a benign neoplasm of trophoblastic tissue. It is thought to occur when a sperm fertilizes an empty egg.

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Prevalence

Population / CalculatorPrevalence Comments / Study / Link
All pregnancies 0.1% UpToDate http://www.utdol.com/online/content/topic.do?topicKey=gyne_onc/7618
Pregnancies in women with previous molar pregnancy 1% UpToDate http://www.utdol.com/online/content/topic.do?topicKey=gyne_onc/7618
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The likelihood ratios of findings for Hydatidiform Mole are listed below. See the left navigation bar to change the display.

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Finding +LR-LR Comments, Study
Transvaginal US Edit 1.70.8

misdiagnosis usually from attributing symptoms to missed or incomplete abortion

Study: Ultrasound Obstet Gynecol. 2006 Jan;27(1):56-60. PMID 16273594