My period isnt due til the end of the mobth. Usually around the 21 through the 28th is when it normally comes. The last few days my nipples have been really sore and ive been real gassy. I have had sex a few times in the past week and my husband tends to pull or pinch my nippples all the time. I really hope im not pregnant as I already have one child. My boobs normally do get sore right before my period but I just keeping thinking I may be pregnant.