I am really lost I have normally regular periods every 28 days and back in may I was a few days late and ever since it always off one time it was only 19 days and then jumped to 33 days plus I bleed heavy and fade down only 4 days but since mays lighter and more days I would take a home test negative then period would start now I have been having a lot of pressure in my lower abdomen bubbling feeling lower back pain period is 6 days late this time I feel so bloated i feel likei have a beach ball inside me, feels like deep tighting in abdomain i havent gained any weight my chest and upper back has been hurting and popping a lot like there a lot of pressure pushing on them I have had two kids normal pregnanices I didn't understand why this is going on