This week we look at older women's health, Gita Mishra from the School of Population Health, University of Queensland, explains the trajectories of perimenopausal symptoms. Martha Hickey, professor of obstetrics and gynaecology at the University of Melbourne, and Jane Elliott a senior lecturer at the University of Adelaide, give Mabel Chew practical tips on prescribing HRT. Finally Steinar Tretli, research director of the Cancer Registry of Norway, explains the results of their research into how HRT and mammography combine to increase apparent rates of breast cancer.