i did not get my period for last month, so i have been experiencing some changes with my body, like my belly starts to get big alil, been having lower backaches, breasts starts gettin big n i gained weight jes within a few weeks, but it [period] came early [after i had an arguement with my husband]...but it only lasted 2 days, n yet i still have this backaches n whenever i lie on my belly, it feels as if sumthins inside, n i cant lay on it for long...m not really sure wut that means, so i was hopin you could help me out?