How can breast cancer be detected?

Dr Sarah Jarvis MBE Many women find that their breasts become more lumpy and tender before periods. Breasts also alter their size and shape with increasing age, pregnancy and marked weight changes. What is important is that you get to know your own breasts - how they look and feel - and report any changes promptly to a doctor. https://patient.info/health/breast-cancer-leaflet#nav-1