Hun i've bled twice during this preganncy and everything is fine, i know its hard not to worry when pregnancy symptoms and MC symptoms are similar!
When i got checked out they didnt have a clue where i was bleeding from, they think just vagina walls were irritated and bled. but nothing to do with baby.
As for boob pain, mine stopped at 10/11 weeks and havent hurt again until today!
So stay positive xxx