Menstrual cycle, pregnancy and oral contraceptive use alter attraction to apparent health in faces

Benedict C. Jones, David I. Perrett, Anthony C. Little, Lynda G. Boothroyd, R. Elisabeth Cornwell, David R. Feinberg, B. P. Tiddeman, S. Whiten, R. M. Pitman, S. G. Hillier, D. M. Burt, M. R. Stirrat, Miriam J. Law Smith, Fhionna R. Moore