Question

Sexual maturation or puberty is marked by Group of answer choices menarche in girls. similar body size in boys and girls. adult social roles. a short-term rapid increase in brain growth.

Answer 1

Sexual maturation of puberty is marked by menarche in girls.

Puberty in Girls

• Even though each child's journey through puberty is unique, we want to reassure you that these changes are normal. Puberty brings about physical, hormonal, and emotional stages.
• The first menstrual cycle for women is called menarche, and it is brought on by a rise in FSH and LH.
• Menarche normally happens within 3 to 8 months.
• The uterine endometrium cycles between proliferating and regressing during puberty as a result of changing plasma estradiol levels.
• This continues up until a certain point when substantial growth takes place and the first menstrual period is brought on by the withdrawal of estrogen (menarche). Until an increase after menarche, plasma progesterone levels are low, signaling no ovulation has taken place.

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