It is possible to have children after total thyroidectomy, but it is recommended to keep the thyroid hormone level within a reasonable range under the guidance of the doctor. Total thyroidectomy may cause hypothyroidism, then you need to follow the doctor’s advice to take levothyroxine sodium tablets treatment, if the drug treatment can restore the thyroid hormone level to a reasonable range can be prepared for pregnancy and childbirth. However, once a patient with uncontrolled hypothyroidism gets pregnant, it may cause miscarriage, abnormal embryonic development and other adverse phenomena. Even if the baby can be delivered successfully, the fetus may not be able to synthesize sufficient amount of thyroid hormones, which may affect the development of its central nervous system. Post-op thyroidectomy patients with reproductive needs should cooperate with their doctors to maintain the thyroid hormones at a stable level before they plan to have children.