Hormones in Human Reproduction

Question 1

Reproductive hormones:

Answer 1

• released during puberty
• causes men and women to develop secondary sexual characteristics
• causes eggs to mature in women

Question 2

What is the menstrual cycle?

Answer 2

the process the body undergos each month to prepare for potential pregnancy

Question 3

What is the process of the menstrual cycle?

Answer 3

1) the lining of the uterus breaks down and the woman has her period
2) the layer builds up again until ovulation occurs - an egg is released from the ovary and moves to the uterus via the fallopian tube
3) if the egg has not been embedded in the lining within 28 days, it begins to break down and the cycle continues

Question 4

Follicle stimulating hormone:

Answer 4

• causes the maturation of an egg in the ovary, within a structure called a follice
• produced in pituitary gland
• stimulates the ovaries to produce oestrogen

Question 5

Oestrogen:

Answer 5

• causes the lining of the uterus to grow again
• produced in the ovaries

Question 6

Luteinising hormone:

Answer 6

• produced in the pituitary gland
• produced as a result of the hormone oestrogen
• its results in ovulation

Question 7

Progesterone:

Answer 7

• produced in the ovaries and secreted from the egg follicle
• maintains the lining of the uterus and supports pregnancy if the egg is fertilised
• inhibits the release of fsh and lh