Puberty And The Menstural Cylcle

Question 1

Where is oestrogen produced?

Answer 1

Ovaries

Question 2

Why is ovulation?

Answer 2

When eggs mature and are released very 28days

Question 3

What is the main femal reproductive hormone ?

Answer 3

Oestrogen

Question 4

What is the main male reproductive hormone?

Answer 4

Testosterone

Question 5

Where is testosterone produced?

Answer 5

Testes

Question 6

What does testosterone do?

Answer 6

Stimulates sperm production

Question 7

What does FSH stand for ?

Answer 7

Follicle stimulating hormone

Question 8

What does LH stand for ?

Answer 8

Lutenising hormone

Question 9

What does LH do ?

Answer 9

Stimulates the release of the egg

Ovulation

Question 10

What does fSH do ?

Answer 10

Causes maturation of the egg in the ovary

Stimulates the ovaries to produce oestrogen

Question 11

What does oestrogen do ?

Answer 11

Causes uterus lining to grow

Stimulates LH release

Inhibits release of FSH

Question 12

What is the first stage of the meatiest cycle?

Answer 12

Menstruation starts

The uterus lining breaks down for about four days

Question 13

What is the second stage of the menstural cycle?

Answer 13

The uterus lining builds up again

Ready to revive a fertilised egg

Question 14

What is the third stage of the menstural cycle?

Answer 14

An egg develops and is released

Ovulation

Question 15

What is the fourth stage of the menstural cycle?

Answer 15

The wall is then maintained for 14days

If no eggs lands by day 28 the cycle restarts

Question 16

Where is progesterone produced?

Answer 16

Ovaries

Question 17

What does progesterone do ?

Answer 17

Maintains the lining of the uterus- when progesterone falls the lining breaks down

Inhibits the release of LH and FSH

Question 18

Why are hormonal ways of stopping pregnancy?

Answer 18

• pull of oestrogen and progesterone
• patch containing oestrogen and progesterone
• implant that releases continuous amount of progesterone

Question 19

Why are oestrogen and progesterone used to prevent pregnancy?

Answer 19

The inhibit the release of FSH so the egg cannot mature

Progesterone thickens the lining so sperm cannot get through

Question 20

What are non hormonal ways to prevent pregnancy?

Answer 20

• male and female condoms
• diaphragm-plastic cup
• abstinence
• sterilisation
• spermicide

Question 21

What are the advantages To IVF?

Answer 21

Fertility can give an infertile couple a child

Question 22

What are the downside to IVF?

Answer 22

• multiple births
• low success
• expensive
• stressful

Question 23

Why are the stages of IVF treatment?

Answer 23

Give mother doses of FSH and LH stimulates maturation of eggs

The eggs and soerm are collected in a lab

The fertilisers eggs develop into embryos

Then inserted into the mother’s uterus when they are tiny balls of cells

Question 24

Name the hormone that stimulates the egg to nature in the ovary

Answer 24

FSH

Question 25

Give one drawback if using hormone to increase fertility

Answer 25

• expensive
• multiple pregnancies
• doesn’t always work

Question 26

What is the role of FSH and LH during IVF?

Answer 26

Stimulates everlasting eggs to mature

Question 27

Which hormone is responsible for the maintaining of the uterus lining ?

Answer 27

Progesterone

Question 28

On what day of the mensural cycle is the egg released?

Answer 28

Day 14

Question 29

What effect does oestrogen have on the release of FSH?

Answer 29

Inhibits it