When are we supposed to start getting our breasts checked?

Angela • Twenties, engaged to the love of my life, yoga teacher, student, & student teacher 🕉❤️✌🏻☮
I go for my PAP every year and monthly (i often forget so monthly is a bit of a fib) check at home myself for lumps in my breasts. When do I actually need to bring this up with my doctor?