The complexity of the relationships between age at first birth and breast cancer incidence curves implicate pregnancy in cancer initiation as well as promotion of existing lesions. Preface.
Schedin PJ, Watson CJ. The complexity of the relationships between age at first birth and breast cancer incidence curves implicate pregnancy in cancer initiation as well as promotion of existing lesions. Preface. J Mammary Gland Biol Neoplasia. 2009 Jun; 14(2):85-6.