Will I be able to breastfeed even with smaller sized breasts?
You may notice a change in breast size throughout pregnancy and breastfeeding but breast size does not determine how much milk you will produce.
Milk is made in the glandular tissue of your breast. Breast size is dependent on fatty tissue.
SOURCE: https://www.lllc.ca/thursdays-tip-does-breast-size-matter-when-you-are-breastfeeding