Gender of offspring and long-term maternal breast cancer risk
2000
Gender of Offspring and Maternal Breast Cancer Risk
Sample size: 998499
publication
Evidence: high
Author Information
Author(s): Wohlfahrt J, Melbye M
Primary Institution: Department of Epidemiology Research, Danish Epidemiology Science Centre, Statens Serum Institut
Hypothesis
Does the gender of offspring influence the long-term risk of breast cancer in mothers?
Conclusion
There is no association between the gender of offspring and subsequent breast cancer risk in mothers.
Supporting Evidence
- Gender of offspring is influenced by maternal hormonal level during pregnancy.
- Analyzing a large cohort of women showed no association between offspring gender and breast cancer risk.
Takeaway
The study looked at many women and found that whether they had boys or girls didn't change their chances of getting breast cancer later.
Methodology
Analyzed national birth and cancer registrations in a large cohort of women.
Participant Demographics
Cohort of 998,499 women.
Digital Object Identifier (DOI)
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