Which hormone is responsible for the changes noticed in females at puberty?

Estrogen:

1. In multicellular animals, a hormone is any member of a class of signaling molecules that is carried by complex biological mechanisms to distant organs to control physiology and behavior is called hormones.
2. The female sex hormone estrogen, which is primarily in charge of breast development during puberty and the expansion of the uterine lining throughout the menstrual cycle, is generated in the adrenal glands, ovaries, and adipose tissue.
3. It regulates cholesterol levels.
4. Controlling the menstrual cycle.
5. The uterus's growth and operation are controlled.
6. The changes that occur during pregnancy are mostly caused by it.