Hi,
I'm not a doctor. I'm a medical technologist with a degree in laboratory science.
Your elevated TPO antibody result shows that your hypothyroidism is autoimmune. This occurs in people with certain genes when they're exposed to certain environmental triggers. These triggers include excess dietary iodine in fast and processed foods, cigarette smoke, vaccines, stress, low selenium levels, viral infections, etc.
Most people who develop autoimmune hypothyroidism continue to have it for life although some people move into autoimmune hyperthyroidism and some people see improvement and their hypothyroidism resolves. Avoiding environmental triggers and strengthening, not stimulating, your immune system all offer benefits. Best, Elaine