is it a thing for one of my boons to have more colastrm then the other or I've been leaking since 12…

is it a thing for one of my boons to have more colastrm then the other or I've been leaking since 12 weeks and I just noticed that my right boob hangs out under my bra but my left boob doesn't. keep in mind I've always had gianormas boobs ( unfortunately ) but they have grown noticeably bigger this time and I just didn't know one could do that lol