.n

2. This is the period
during which
adolescents (teenagers)
experience maturity of
sex organs and the
production of gametes.
Chemicals called
hormones bring about the
development and
regulation of ‘secondary
sexual characteristics’
In men, the hormone is
called testosterone and
is made in the testicles.
In women, the hormone
is called oestrogen and
is made in the ovaries.

3. Did you know
that it’s also
called the
oestrous cycle

5. • 28 days
• eggs mature in ovaries
• uterus lining thickens
• day 14 is ovulation
• the uterus lining remains thick
• if no fertilized egg implants, the
uterus lining breaks down; a
period

6. • Follicle stimulating hormone
• Produced by pituitary gland
• Causes eggs to mature in ovaries
• Stimulates Oestrogen production
• Secreted by ovaries
• Causes lining of uterus to develop
• Inhibits production of FSH
• Stimulates the release of LH
• Luteinizing Hormone
• Causes ovulation (release of one egg)
• Produced by empty follicle in ovary after ovulation
• Inhibits production of FSH and LH
• Maintains lining of uterus for ~10 days

7. 8
3
10
1
2
6
4
7
9
5