In girls, secondary sexual characteristics develop betweenA) 9 and 11 years.B) 11 and 14 years.C)15 and 18 years.D) 19 and 21 years
Question
In girls, secondary sexual characteristics develop between
A) 9 and 11 years.
B) 11 and 14 years.
C) 15 and 18 years.
D) 19 and 21 years.
Solution
The development of secondary sexual characteristics in girls is typically associated with puberty, which usually begins between the ages of 9 and 11 years. This developmental stage is marked by various physiological changes influenced by hormonal fluctuations.
- Early Development: Girls may begin to notice changes such as breast development and the onset of body hair as early as 9 years old.
- Peak Development: The majority of secondary sexual characteristics, including menarche (the first menstrual cycle), occur between the ages of 11 and 14.
- Later Changes: By the ages of 15 to 18, most girls have reached maturity in these characteristics, although some variations continue to occur.
Considering the information above, the most accurate answer is:
Final Answer
B) 11 and 14 years.
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