lower abdominal movement bubbles. my last period was on AUG 31,2013 . i was intimate with my partner on 9/7, 9/9, 9/12 and 9/14. also at night my breast start to mild hurt. breast feeling heavy. but does not hurt at the touch.i have been getting bubble feeling at my lower abdominal, why is that ? i have had an ectopic pregnancy two months ago