>>40222404kill yourself
Early Childhood (0–5 years)
Very few physical differences between boys and girls.
Minor differences in genitalia and possibly activity preferences, but overall they look quite similar.
Middle Childhood (6–10 years)
Some small differences start to emerge:
Boys may begin to develop slightly broader shoulders.
Girls may carry a bit more body fat, especially around hips.
Still, most kids look fairly similar in body shape.
Puberty (Usually 8–13 for girls, 9–14 for boys)
This is when clear physical differences start to show:
Girls:
Breast development begins (usually first sign).
Hips widen.
Growth spurt occurs earlier than in boys.
Menstruation typically starts between 10–15.
Voice may deepen slightly, but not drastically.
Boys:
Voice deepens significantly.
Facial hair and body hair starts to appear.
Muscles develop more noticeably.
Shoulders become wider.
Testicular and penile growth occurs.
Growth spurt comes later but is often more dramatic.
Late Teens to Adulthood
Secondary sexual characteristics become fully developed.
Differences in height, body structure, facial features, and muscle mass become quite noticeable.