PLEASE HELP!! VERY UNUSUAL FOR ME!!

Ok so my husband and I have been ttc for 7yrs. My period was due on the 30th but it came 3 days early, (spotting) on the 27th & ended (heavy) on the 31th, no cramps like I normally get. My period lasts 5days every month & my cycle is usually 32days. I was feeling extremely gassy from the 25th-28th. Now that my period is gone I am having light cramps on the right side. Please help, any opinions & experiences welcome.