Abstract:
Background: The importance of thyroid gland is to promote growth and development of the
brain during fetal life and for the first few years of postnatal life. Iodine deficiency is the single
most common cause of preventable mental retardation and brain damage in the
world.Objective: To correlate the weight of fetal thyroid with body weight, crown-rump
length, and estimated gestational age of fetus. To study microscopic structure of the human
thyroid in gestational age groups of normal, still born fetuses. To correlate the size of thyroid
follicles with increasing gestational age. To study the nature and amount of colloid content of
the follicles at different stages of development.
