Hey Devon, my friend was a A cup and now after having her lil boy (and she didnt breastfeed for very long at all..... like a week) shes now a D cup.
Everyone is dif, your breats may not grow until later in your preg or when you get your milk, they may not even grow at all.
I went from a C with DD#1 to a D and im not preg with DD#2 and i had my bras fitted last week, they are an E now. I would much rather my C cup again