Which of the following is not a function of estrogen?

The correct option is C

Causes the development of hoarse voice.

The correct option is (C).

1. The development of a hoarse voice is the character of secondary sexual character in males.
2. Testosterone is responsible for a secondary sexual character in males.

Option (A):

1. Estrogen is responsible for the growth and development of female sex organs in females.

Option (B):

1. The level of progesterone brings about the monthly preparation of the uterus for pregnancy.

Option (D):

1. Changes in body shapes like a broadening of hips, and enlargement of breasts are the secondary sexual characteristics in females.
2. Estradiol is responsible for the development of secondary sexual characteristics.

Final answer: Causes the development of hoarse voice is not a function of estrogen.