Puberty and the menstrual cycle

Question 1

What happens at puberty?

Answer 1

Your body starts releasing sex hormones

Question 2

What is the main hormone for men?

Answer 2

Testosterone

Question 3

What is the main hormone in women?

Answer 3

oestrogen

Question 4

What happens at stage 1 of the menstrual cycle?

Answer 4

menstruation starts - uterus lining breaks down for 4 days

Question 5

What happens at stage 2 of the menstrual cycle?

Answer 5

Uterus lining builds up - day 4 -14 full of blood vessels to receive a fertilised egg.

Question 6

What happens at stage 3 of the menstrual cycle?

Answer 6

An egg develops and is released from the ovary - day 15 ovulation

Question 7

What happens at stage 4 of the menstrual cycle?

Answer 7

The wall is then maintained until day 28 as if no fertilised egg has landed on the uterus wall the lining starts to break down

Question 8

What is FSH?

Answer 8

Follicle-Stimulating hormone
produced by the pituitary gland
causes egg to mature in one of the ovaries
stimulates ovaries to produce oestrogen

Question 9

What is oestrogen?

Answer 9

produced in ovaries
causes lining of uterus to grow
stimulates release of LH

Question 10

What is LH

Answer 10

Luteinising hormone
produced by pituitary gland
stimulates release of egg at day 14

Question 11

What is progesterone?

Answer 11

produced in ovaries

maintains lining of uterus during second half of cycle