The role of contraception in the development of postmolar gestational trophoblastic tumor

R. E. Deicas, D. S. Miller, A. W. Rademaker, J. R. Lurain

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Abstract

From January 1974 to June 1988, 299 evaluable patients were referred to the John I. Brewer Trophoblastic Disease Center of Northwestern University Cancer Center for treatment and/or follow-up of a hydatidiform mole (N = 162) or postmolar gestational trophoblastic tumor (N = 137). The type of contraception and other prognostic factors before and after evacuation were correlated with the development of gestational trophoblastic tumor using both univariate and multivariate analysis. There was no relationship between pre-hydatidiform mole contraception and the development of gestational trophoblastic tumor. Oral contraceptives (OCs) were used by 139 patients (46%), barrier methods by 141 patients (47%), intrauterine devices (IUDs) by two patients (1%), and no contraception by 17 patients (6%). The risk of developing gestational trophoblastic tumor was compared between patients using versus not using: OCs-33 versus 57% (P < .001), barrier methods-53 versus 40% (P = .30), IUD-100 versus 46% (P = .21), and any contraceptive method-43 versus 88% (P < .001). The dose of estrogens could be determined in 75 patients taking OCs; 14 of 49 (29%) of the patients taking less than 50 μg versus nine of 26 (35%) taking 50 μg or more developed gestational trophoblastic tumor (P = .78). Stepwise logistic regression analysis demonstrated that the type of contraceptive used was the most important prognostic factor in gestational trophoblastic tumor development (P < .0001), followed by the occurrence of theca-lutein cysts (P < .0001), Asian maternal race (P = .02), lesser time from the last menstrual period (P = .005), and greater maternal age (P = .04). There appears to be an outcome advantage for patients using OCs for contraception after evacuation of hydatidiform mole.

Original languageEnglish (US)
Pages (from-to)221-226
Number of pages6
JournalObstetrics and Gynecology
Volume78
Issue number2
StatePublished - 1991

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Trophoblastic Neoplasms
Contraception
Oral Contraceptives
Hydatidiform Mole
Intrauterine Devices
Lutein
Maternal Age
Contraceptive Agents
Cysts
Estrogens
Multivariate Analysis
Logistic Models
Regression Analysis
Mothers

ASJC Scopus subject areas

  • Obstetrics and Gynecology

Cite this

The role of contraception in the development of postmolar gestational trophoblastic tumor. / Deicas, R. E.; Miller, D. S.; Rademaker, A. W.; Lurain, J. R.

In: Obstetrics and Gynecology, Vol. 78, No. 2, 1991, p. 221-226.

Research output: Contribution to journalArticle

Deicas, R. E. ; Miller, D. S. ; Rademaker, A. W. ; Lurain, J. R. / The role of contraception in the development of postmolar gestational trophoblastic tumor. In: Obstetrics and Gynecology. 1991 ; Vol. 78, No. 2. pp. 221-226.
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