The Menstrual Cycle

Question 0

Where is FSH released from?

Answer 0

The pituitary gland

Question 1

What are the four hormones that control the menstrual cycle?

Answer 1

FSH, Oestrogen, LH, progesterone

Question 2

Where is oestrogen released from?

Answer 2

The ovary

Question 3

Where is LH released from?

Answer 3

The pituitary gland

Question 4

Where is progesterone released from?

Answer 4

The ovaries

Question 5

What are the effects of FSH?

Answer 5

• causes an egg to mature

- stimulates the production of oestrogen

Question 6

What are the effects of oestrogen?

Answer 6

• inhibits the release of FSH
• stimulates the regrowth of the womb lining
• stimulates the release of LH

Question 7

What are the effects of LH?

Answer 7

• causes ovulation on day 14

- stimulates the release of progesterone by the ovaries

Question 8

What are the effects of progesterone?

Answer 8

• prevents breakdown of womb lining; causing it to thicken

- inhibits FSH

Question 9

Why do people take fertility drugs?

Answer 9

Because they may not produce enough FSH

Question 10

What are the advantages of fertility drugs?

Answer 10

• they help a woman to have a child
• donor eggs from other women aren’t required
• the child will be genetically related to the mother
• this is cheaper/easier than IVF

Question 11

What are the disadvantages of fertility drugs?

Answer 11

• administering FSH could cause several follicles to develop, leading to several ova being released, as the risk of multiple birth
• multiple births pose a higher risk to mother and babies
• hormone treatments such as this can be potentially harmful to women’s health

Question 12

What is in oral contraception?

Answer 12

Oestrogen and progesterone. That will inhibit the release of FSH and thus prevent follicles developing

Question 13

What are the advantages of oral contraception?

Answer 13

• prevents unwanted pregnancies

- allows women to be in control of their own fertility

Question 14

What are the disadvantages of oral contraception?

Answer 14

• may encourage irresponsible attitude to sexual behaviour
• using oral contraceptives does not protect you against STD (eg. aids)
• hormone treatments such a this can potentially be harmful to women’s health

Question 15

What day does ovulation occur?

Answer 15

14

Question 16

On which day is LH at its highest?

Answer 16

14

Question 17

On which day will the womb lining be shed?

Answer 17

Day 1

Question 18

What is a hormone?

Answer 18

Chemical released into the blood by a gland