I would like to ask you if total thyroidectomy is a reason for my two miscarriages?

Not necessarily: About 25% of early pregnancies result in spontaneous miscarriages. Therefore two miscarriages are not out of the ordinary. Do take the medication prescribed by your doctor to replace the hormone made naturally by the thyroid gland. Wish you good health.

Resultant hypothy : You may have significant hypothyroidism from having the total thyroidectomy and if not corrected it may affect your pregnancies