## Abstract The association of mammographic breast density with breast cancer risk may vary by adiposity. To examine effect modification by body mass index (BMI), the authors standardized mammographic density data from four case‐control studies (1994–2002) conducted in California, Hawaii and Minnes
Mammographic density, parity and age at first birth, and risk of breast cancer: an analysis of four case–control studies
✍ Scribed by Christy G. Woolcott; Karin Koga; Shannon M. Conroy; Celia Byrne; Chisato Nagata; Giske Ursin; Celine M. Vachon; Martin J. Yaffe; Ian Pagano; Gertraud Maskarinec
- Book ID
- 113062385
- Publisher
- Springer US
- Year
- 2012
- Tongue
- English
- Weight
- 207 KB
- Volume
- 132
- Category
- Article
- ISSN
- 0167-6806
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## Abstract Several large epidemiological studies in the Nordic countries have failed to confirm an association between age at first birth and breast cancer independent of parity. To assess whether lack of power or heterogeneity between the countries could explain this, a meta‐analysis was performe
A case-control study was carried out in Spain to assess associations between parity, lactation and age at first full-term pregnancy and breast cancer. From November 1989 to February 1992, 184 incident breast cancer histologically confirmed cases were interviewed and matched by age and residence to 1