Deciding when to get a routine mammogram is confusing. Guidelines disagree on whether to begin at age 40, 45 or 50, and whether a yearly or every-other-year scan is best.

Deciding when to get a routine mammogram is confusing. Guidelines disagree on whether to begin at age 40, 45 or 50, and whether a yearly or every-other-year scan is best.

Las reglas sobre cuándo empezar a hacerse mamografías y con qué frecuencia crean confusión