Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for Pregnancy and Thyroid Disease ?
    ### Response:
    - Thyroid disease is a disorder that results when the thyroid gland produces more or less thyroid hormone than the body needs.  - Pregnancy causes normal changes in thyroid function but can also lead to thyroid disease.  - Uncontrolled hyperthyroidism during pregnancy can lead to serious health problems in the mother and the unborn baby.
    