i wouldn't worry about how large your breast are currently. they will likely grow some during your later stage of pregnancy as well as when your milk starts coming in after delivery. breast tissue covers a larger area than just the part that sticks out. (sorry for the lack of technical terminology. ) all of your breast tissue contains milk ducts which will fill in with milk after you have your baby. so even if you don't get large breasts does not mean you won't produce enough milk to breast feed. your milk won't come in all at once either. first you will produce small amounts of colostrum and as your baby nurses your body will start to increase milk production. there are breast feeding councilors at the hospital that can give you more indepth answers and would be happy to help you also.
what if my breasts havent grown enough during pregnancy? will this affect milk formation? . also my breast does not seem to be firm its feels loose and saggy yet small.