Infertility drugs and the risk of breast cancer: findings from the National Institute of Child Health and Human Development Women’s Contraceptive and Reproductive Experiences Study

Authors:Burkman, R. T., Tang, M-T C., Malone, K. E., Marchbanks, P. A., McDonalad, J. A. and Folger, S. G.
N=4,575. Infertility drug use not associated with increased risk of breast cancer. However using human menopausal gonadotropin for greater than 6 months increased risk by 2.7 to 3.8.