Document Detail

Are fertility drugs a risk factor for persistent trophoblastic tumour?
MedLine Citation:
PMID:  12042286     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The introduction of ovulation-inducing drugs has raised concern that women exposed to these therapies may be at increased risk of cancer. We assessed the potential association between exposure to fertility drugs and the risk of developing persistent trophoblastic tumour (PTT). METHODS: We conducted a systematic review of the English and non-English language literature using the National Library of Medicine's Medline to identify all observations of patients with hydatidiform mole (HM) after treatment with ovulation-inducers. RESULTS: Fifty-two cases were considered including 26 singleton molar pregnancies and 26 multiple molar pregnancies consisting of an HM and one or more co-existent fetus(es) (HM-and-CF). PTT occurred in 15% of patients with singleton HM and in 42% of patients with HM-and-CF, 15% of whom had a metastatic disease. Of those patients with HM-and-CF, 16 patients delivered at <24 weeks gestation, mostly because of vaginal haemorrhage. Ten patients delivered at > or = 24 weeks of gestation, six of whom (25%) had a normal live child. These results are similar to spontaneously conceived pregnancies. CONCLUSIONS: Although women having an HM after therapy with ovulation-inducing drugs seem to have no added risk of PTT, multiple pregnancies are more likely to occur, and the overall risk may be increased.
Patrick Petignat; Pierre Vassilakos; Aldo Campana
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Human reproduction (Oxford, England)     Volume:  17     ISSN:  0268-1161     ISO Abbreviation:  Hum. Reprod.     Publication Date:  2002 Jun 
Date Detail:
Created Date:  2002-06-03     Completed Date:  2003-01-07     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8701199     Medline TA:  Hum Reprod     Country:  England    
Other Details:
Languages:  eng     Pagination:  1610-5     Citation Subset:  IM    
Department of Gynecology and Obstetrics, University Hospitals of Geneva, Geneva, Switzerland.
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MeSH Terms
Hydatidiform Mole / etiology
Infant, Newborn
Ovulation Induction / adverse effects*
Pregnancy Outcome
Pregnancy, Multiple
Risk Factors
Trophoblastic Neoplasms / etiology*
Uterine Neoplasms / etiology*

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