Why are thyroid glands bigger in females than in males?

That is not necessarily true. A normal thyroid gland does not differ much in size in males and females. Enlargement of thyroid gland or goitre is more common in females. read more

A normal thyroid gland does not differ much in size in males and females. Enlargement of thyroid gland or goitre is more common in females. This is probably because of the altered metabolic states which a female has to go through, namely menstruation,pregnancy and lactation. read more

Men suffer a higher death rate throughout life than women do. 8. Men’s and women’s vital organs differ in size and efficiency. Men have larger hearts and lungs than women. Women have larger livers, stomachs, thyroid glands, and kidneys than men. Women have lower blood pressure and a faster heartbeat than men. 9. Men’s fertility lasts longer. read more

Generally females more often become hypothyroid which often result in a slightly enlraged thyroid due to the inflamation that happens to the thyroid. Females and males have the same size of thyroid gland, however, individual sizes can vary like any other body parts. read more