Many mothers believe that the bigger the size of your breasts the more milk your produce but this is a myth. The size of your breasts mostly depends on how much fatty tissue you contain and have nothing to do with how your breasts produce milk. The glandular tissues in the breast are responsible for making milk and there and the vast majority of women have enough glandular tissue to breastfeed their babies. More than the size of your breasts the way your baby suckles and the frequency of the feeds stimulates the breasts and the glandular tissues to make