Symptoms of hypothyroidism are fatigue, depression, weight gain, cold intolerance,dry, coarse hair and skin, constipation
,muscle
cramps,decreased concentration,vague aches and pains,
menstrual disorders,palpitation and swelling of the legs.
I feel that you should consult a physician and get yourself and your thyroid hormone levels evaluated.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided.