the hormonal control of the menstrual cycle
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The Hormonal Control of the Menstrual Cycle. 6. LH stimulates ovulation & formation of the corpus luteum. oestrogen inhibits FSH production & stimulates LH production. FSH. LH. 5. 9. 1. corpus luteum secretes progesterone. progesterone inhibits FSH production. FSH increases. 7.

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Presentation Transcript
slide2
6

LH stimulatesovulation & formationof the corpus luteum

oestrogen inhibitsFSH production &stimulates LH production

FSH

LH

5

9

1

corpus luteumsecretes progesterone

progesterone inhibitsFSH production

FSH increases

7

ovary secretesoestrogen

oestrogen

progesterone

2

FSH causes an

egg to developinside a follicle

3

corpus luteum disintegrates & progesterone falls

10

progesterone maintainsthe uterus lining

11

8

oestrogen bringsabout repair ofuterus lining

menstruation

menstruationstarts

4

day

day

slide4
How can these important facts be used to control the population?

FSH

LH

FSH stimulatesan egg to developinside a follicle

oestrogen inhibitsFSH production

progesterone inhibitsFSH production

oestrogen

progesterone

menstruation

day

day

slide5
Using Hormones to Control the Human Population
  • Fertility treatment:Inject FSH into women who don’t produce enough of their own to stimulate eggs to develop
  • Contraception:Oral doses of the contraceptive ‘pill’, containing oestrogen & progesterone, inhibit FSH production so eggs do not develop and ovulation does not occur
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