The Menstrual Cycle

Question 1

What is the menstrual cycle?

Answer 1

The monthly release of an egg
From the woman’s ovaries
The build up and break down of the uterus lining

Question 2

How many stages of the menstrual cycle?

Answer 2

Four

Question 3

What is stage 1 of the menstrual cycle?

Answer 3

Bleeding starts
Uterus lining breaks down
For about 4 days

Question 4

What is stage 2 of the menstrual cycle?

Answer 4

The lining builds up again from day 4 to 14
Into a spongy layer full of blood vessels
Ready to receive a fertilised egg

Question 5

What is stage 3 of the menstrual cycle?

Answer 5

An egg is released from the ovary at day 14

Question 6

What is stage 4 of the menstrual cycle?

Answer 6

The wall is the maintained for about 14 days until day 28
If no fertilised egg has landed on the uterus wall by day 28 the lining breaks down again
The cycle begins again

Question 7

What are the 3 main hormones involved in the menstrual cycle?

Answer 7

FSH
Oestrogen
LH

Question 8

What is FSH?

Answer 8

Follicle-Stimulating Hormone

Question 9

What is LH?

Answer 9

Luteinising Hormone

Question 10

Where is FSH produced?

Answer 10

Pituitary galnd

Question 11

What does FSH do?

Answer 11

Causes an egg to mature in one of the ovaries

Question 12

What does FSH stimulate?

Answer 12

The ovaries to produce oestrogen

Question 13

Where is oestrogen produced?

Answer 13

Ovaries

Question 14

What does oestrogen cause?

Answer 14

The pituitary gland to produce LH

Question 15

What does oestrogen inhibit?

Answer 15

Further release of FSH

Question 16

What does inhibits mean?

Answer 16

Stops

Question 17

Where is LH produced?

Answer 17

The pituitary gland

Question 18

What does LH stimulate?

Answer 18

The release of an egg

Question 19

What is progesterone?

Answer 19

Another hormone involved in the menstrual cycle

Question 20

Where is progesterone produced?

Answer 20

Ovaries