Long-term oral contraceptive use increases breast cancer risk in women over 55 years of age: The DOM cohort

The role of reproductive factors and use

The role of reproductive factors and use of oral contraceptives in the aetiology of breast cancer in women aged 50 to 74 years

✍ Cecilia M. Magnusson; Ingemar R. Persson; John A. Baron; Anders Ekbom; Reinhold 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 French ⚖ 84 KB 👁 2 views

It is unclear whether age at menarche is causally involved in breast-cancer aetiology, or serves a correlate of other earlylife exposures. Other aspects of reproductive life, including cycle length and regularity, climacteric symptoms, reproductive history and oral contraceptive use, are also incomp