Stiif stomach and ribs. Be the reason!

Married since 2 years, hypothyroid, irregular periods, all tests including pcod, pcos, hormone, uterus, ovaries and egg size are fine. Took femara for 3 months feb, march, april and may i didn't so no periods on 1st june did urine test on 11th june came negative. But am feeling something strange in my stomach like something stretching in my stomach abdomen and uterus if i pass gas it gives relief for a while but after some time again i feel so streched inside and today on 13th i am unable to sleep as am feeling so much streched and feeling nausea i also ate a full plate of noodles. I am also 85kgs plz tell me what can be the reason also have mild ach on right may be due to liver but now am feeling that also more and too much fatigue and feeling irritated and exhausted. Kindly tell me what can be the reason thank you.