Female survivors of childhood cancer: Preterm birth and low birth weight among their children

Lisa B. Signorello, Sarah S. Cohen, Cristina Bosetti, Marilyn Stovall, Catherine E. Kasper, Rita E. Weathers, John A. Whitton, Daniel M. Green, Sarah S. Donaldson, Ann C. Mertens, Leslie L. Robison, John D. Boice

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Improved survival after childhood cancer raises concerns over the possible long-term reproductive health effects of cancer therapies. We investigated whether children of female childhood cancer survivors are at elevated risk of being born preterm or exhibiting restricted fetal growth and evaluated the associations of different cancer treatments on these outcomes. Methods: Using data from the Childhood Cancer Survivor Study, a large multicenter cohort of childhood cancer survivors, we studied the singleton live births of female cohort members from 1968 to 2002. Included were 2201 children of 1264 survivors and 1175 children of a comparison group of 601 female siblings. Data from medical records were used to determine cumulative prepregnancy exposures to chemotherapy and radiotherapy. Logistic regression was used to estimate odds ratios (ORs) for the association between quantitative therapy exposures and preterm (500 cGy) had increased risks of being born preterm (50.0% versus 19.6%; OR = 3.5, 95% CI = 1.5 to 8.0; P = .003), low birth weight (36.2% versus 7.6%; OR = 6.8, 95% CI = 2.1 to 22.2; P = .001), and SGA (18.2% versus 7.8%; OR = 4.0, 95% CI = 1.6 to 9.8; P = .003). Increased risks were also apparent at lower uterine radiotherapy doses (starting at 50 cGy for preterm birth and at 250 cGy for low birth weight). Conclusions: Late effects of treatment for female childhood cancer patients may include restricted fetal growth and early births among their offspring, with risks concentrated among women who receive pelvic irradiation.

Original languageEnglish
Pages (from-to)1453-1461
Number of pages9
JournalJournal of the National Cancer Institute
Volume98
Issue number20
DOIs
Publication statusPublished - Oct 18 2006

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

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