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PUBERTY FACTS
Puberty
is the time when
your body changes from a
child’s body to an adult’s
body.
After
puberty the body is
capable of making a baby.
PUBERTY FACTS
Puberty
starts earlier in girls.
Puberty
starts between age 8
and 13 for girls and 9 and 14 for
boys.
Length
of puberty varies from
person to person.
PUBERTY FACTS
The
pituitary gland triggers
puberty to begin.
The
pituitary triggers the
ovaries in the female to
start producing estrogen and
progesterone.
PUBERTY FACTS
The
pituitary triggers the
testicles in the male to start
producing testosterone.
PUBERTY – GIRLS
Begins between 8-13 (avg. 10)
Generally in this order:
breast buds
Growth of Bony Pelvis
development growth spurt (arms, legs, feet, hands)
then body
Pubic hair
menarche (first period) for girls
Body hair
Oil and Sweat Glands
Growth of uterus and vagina
PUBERTY – BOYS
Begins between 9-14 (avg. 11)
Generally in this order:
 Growth
of testes and scrotum
 Pubic hair
 First ejaculation
 Growth spurt (arms, legs, penis)
 Voice change
 Underarm hair
 Oil and Sweat Glands
 Facial hair
PUBERTY FACTS
Girls
are born with all eggs
they will ever have.
At
puberty the ovaries in the
female start releasing eggs.
PUBERTY TERMS
The
testicles in the male
start producing sperm at
puberty.
Males
produce sperm from
puberty to death.
PUBERTY TERMS
Ovum
– the egg cell that is
released from the ovaries.
Plural
The
of ovum is ova.
egg contains 23
chromosomes (half of your
DNA)
PUBERTY TERMS
Sperm–
the cells that are
produced in the testicles.
Plural
The
of sperm is sperm.
sperm contains 23
chromosomes (half of your
DNA)
PUBERTY TERMS
Semen
– the liquid that is
released from the penis
during ejaculation.
Semen
is liquid plus sperm.
PUBERTY TERMS
Erection
– when the penis
fills with blood and gets
larger and sticks up.
Ejaculation
– when semen is
released from the penis.
PUBERTY TERMS
Menstruation–
when blood
leaves a girl’s body through the
vagina. Another term for
menstruation is period.
Nocturnal
emission– when a guy
ejaculates during his sleep. Also
called a wet dream.