Generally breast size doesn't impact milk supply, but for a small number of women, size and shape can be an indicator that there could be challenges to milk supply.
Breastfeeding will be more relaxed and comfortable for you and your baby and head off breastfeeding problems if you get a good latch right from the start.
Are your baby’s hands getting in the way as you try to breastfeed? Have you been told to wrap your baby for feeds?