Hypothyroidism is due to decreased or absent production of thyroid hormone.
Primary hypothyroidism is caused by generalized tissue resistance to thyroid hormone and disorders that affect the thyroid gland directly. It is responsible for majority of hypothyroid cases.
Central hypothyroidism is caused by hypothalamic or pituitary disorders.
The use of insulin detemir among women with pre-existing diabetes was not associated with an increased risk of negative pregnancy outcomes, such as major congenital malformations and perinatal or neonatal deaths, compared with other basal insulins, according to the EVOLVE* study.