i m 25 yr old.my weight is suudenly gain now it is 67kg,my height is 5.6ft.my haemoglobin range is 13,6 gm/dl,glocose level is 79mg/dl,serum urea level is 20 mg/dl, serum creatinine level 1.0mg/dl,PRL level is 23.60ng/ml, TSH level is 4.76 is it normal??what is the prob of my irregular periods problem.