hi, just before the day the period is due i get a swelling on the skin straight above the uterus. its kind fluffy and its becomes flat right after my periods gets over.i am a hypo thyroid patient and am taking proper medicine and my periods are just regular. now this i made with my husband guess may be on the days ovulation. my LMP is 15 of june and my next periods is due on 16 of july which didnot happen, but but i have the same swellin kind of thing. i feel hungry many times and a bit tired too. So can help me to sort this out. if this retains i shall be takin my pregnancy test within a week .