Answers are grounded in this paper and cite their sources.
We have previously found an increased risk of breast cancer among women born preterm. To confirm or refute the results, an enlarged study was conducted. The results from this study do not confirm the initial findings and suggest that preterm birth can be ruled out as a risk factor for breast cancer.
No takes yet. Share an insight, caveat, or question.
Kaijser et al. (2003) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: