2. Adolescence is a change of
from biological immaturity
to maturity
3. • The adolescent growth spurt is one of the earliest
signs of puberty.
• At peak height velocity, girls grow at about 3.5
inches/year.
• …boys grow about 4.1 inches/year.
• Asynchronicity in growth means that some parts of
the body grow faster than others.
4. • There is a spurt in muscle growth due largely to the
increase in testosterone, which is larger in boys.
• Levels of body fat increase during puberty but more
for girls than for boys.
• In both boys and girls, the heart becomes larger,
heart rate falls and vital capacity of the lungs increases.
• Gender differences exist in cultural expectations for
physical activity in many cultures…
5. BIOLOGICAL CHANGES IN GIRLS
• Increase in height.
• Development of fatty and subcutaneous
tissues
• Broadening of hips
• Growth of hair in armpits
• Voice becomes shrill
• Appearance of breast bud
• Onset of menarche
6. BIOLOGICAL CHANGES IN BOYS
• Increase in height
• Development of muscles
• Broadening of shoulders
• Growth of hair in the armpits , and pubic area
and appearance of facial hair
• Voice break takes place due to lengthening of
vocal cord and enlarging of larynx
• Nocturnal emissions take place
7. Menstruation is a woman's monthly
bleeding. When you menstruate, your body
sheds the lining of the uterus
(womb).Menstrual blood flows from the uterus
through the small opening in the cervix and
passes out of the body through the vagina .
12. Infrequent periods Oligomenorrhea
Short or extremely light periods Hypomenorrhea
Too-frequent periods (defined as
more frequently than every 21 days)
Polymenorrhea
Extremely heavy or long periods Hypermenorrhea
Extremely painful periods Dysmenorrhea
Breakthrough bleeding
alsobetween periods; normal in many
females
Metrorrhagia
Absent periods
MENSTRUAL DISORDERS