I can understand your feelings and will try to sought out the issue. It would have been really great if you had told me about your past conception history; whether or not you concieved in past or not. Anyways an important cause f Low thyroid is Autoimmune, either Hashimoto's thyroiditis
, Spontaneous Atrophic thyroiditis or Hypothyroid Graves. All these autoimmune conditions are associated with premature ovarian failure
. Its thus highly advisable to Get your sex harmones i.e, FSH, LH, Estradiol
, and testosterone
tested. But before this Semen analysis
of your husband must be done. For fainting check your random blood Sugar, ECG , Echo and 24 hour Holter monitoring.