Control Systems: The Menstrual Cycle

Question 1

At what period in a women’s life does menstruation occur?

Answer 1

Between around age 13-50

Question 2

What is Menstruation, and how often does it occur?

Answer 2

It is when the lining of the uterus wall is replaced, and it happens around once a month.

Question 3

Where is Oestrogen produced, and what does it do?

Answer 3

it is produced by ovaries, and causes the lining of the uterus wall to thicken during the first stage of the menstrual cycle.

Question 4

What does a ‘spike’ Oestrogen do?

Answer 4

a spike in oestrogen triggers the production of LH which triggers the release of a mature egg (ovulation)

Question 5

Where is progesterone produced and what does it do?

Answer 5

It is produced by the empty egg follicle, and preserves and maintains the lining of the uterus during the middle part of the cycle.

Question 6

What are FSH and LH, and what do they stand for?

Answer 6

FSH= Follicle Stimulating Hormone, LH= Leutinising Hormone, they are hormones in the menstrual cycle

Question 7

What does FSH do?

Answer 7

It stimulates the production and maturation of an egg in a follicle.

Question 8

What does LH do?

Answer 8

Triggers ovulation around day 14 of menstruation.

Question 9

What is the Corpus Luteum and what does it do?

Answer 9

A Follicle develops into it, and releases progesterone