Question

Which one of the following hormones is not a secretory product of human placenta?

• A. Human chorionic gonadotropin
• B. Prolactin
• C. Oestrogen
• D. Progesterone

Answer 1

The correct option is B

Prolactin

The correct option is B:

Explanation of the correct option :

1. The pituitary gland, a tiny gland near the base of the brain, produces prolactin.
2. During pregnancy and after birth, prolactin encourages the breasts to expand and produce milk.
3. Prolactin levels in pregnant women and new mothers are typically high.
4. Non-pregnant women and males usually have low levels.

Explanation of the incorrect option:

Option A:

1. In both men and women, HCG is utilized for various reasons.
2. HCG increases the production of testosterone and sperm in men and adolescent boys.

Option C:

1. One of the most important female sex hormones is estrogen.
2. Estrogen is produced by both men and women, although it has a greater impact on women's bodies.
3. The endocrine system produces estrogen, which travels through circulation.

Option D:

1. Progesterone aids in the control of the menstrual cycle.
2. However, its primary purpose is to stimulate the uterus for pregnancy.
3. Progesterone thickens the uterine lining to prepare for a fertilized egg after ovulation each month.

Final Answer: Prolactin hormones are not a secretory product of the human placenta.