The Menstural Cycle

Question 1

The 4 stages of the menstruated cycle.

Answer 1

Stage 1 = Mensuration starts
Stage 2 = the uterus lining is repaired
Stage 3 = an egg develops and is released at ovulation
Stage 4 = the lining is then maintained.

Question 2

What is FSH?

Answer 2

Released by the pituitary gland
Causes a follicle to mature in one of the ovaries
Stimulates oestrogen production

Question 3

What is oestrogen?

Answer 3

Released by the ovaries causes the lining of the uterus to thicken

Question 4

What is LH?

Answer 4

Released by the pituitary gland
Stimulates ovulation p, follicle ruptures and an egg is released
Stimulates the remains of the follicle to develop into a structure called s corpus luteum.

Question 5

What is progesterone?

Answer 5

Released but the corpus luteum after ovulation.
Maintains the lining of the uterus, inhibits the release of FSH and LH.
Low level uterus lining breaks down
FSH increases …..repeat cycle