Breast size

Kim • Married in august, pregnant in September ❤️ First time mommy and can't wait! Dental hygienist baking a little GIRL! 🤰🏼

Random, weird question. So I've always been small chested, A cup, but there was something there Now they look great, a full B at 12 weeks. Does breast feeding cause them to shrink smaller than they were prior to pregnancy? That's what I've heard, just wanted to hear other opinions! Thanks