Non stop growing boobs!!

Samantha • Married to the love of my life. Healthy 1st baby (boy) 10/07/14 after a long road to pregnancy. Couldn`t be happier!!!!
Ok, so this may not sound like that big a deal but I am now almost 19 weeks pregnant and from about 6-7 weeks until now I have already gone up two FULL cup sizes in bras! I am
​On the verge of needing new ones again as they don't seem to be stopping. I'm wondering how many of you out there have gone through this and is it ok that I am rapidly growing in the chest area and putting on so much? I've heard it can make it harder for baby to latch if your boobs are too big/full. I was already a 32DD when I started and I have a petit frame. X