Malfunctioning internal thermostat:
Are you cold when it’s hot, or vice versa? The thyroid regulates body temperature . A malfunction disrupts this mechanism, causing chills or unusual hot flashes.
The scale that yo-yos.
Weight that fluctuates for no apparent reason can be a strong signal. In hypothyroidism , the metabolism slows down and promotes weight gain; in hyperthyroidism , it speeds up and causes weight loss and loss of appetite.
Diseasesthyroid
Periods gone haywire:
Irregular menstrual cycles, excessively light or heavy flow often indicate a hormonal imbalance related to the thyroid. This imbalance can also affect fertility.