Which of the following statements about adolescent sexuality is false?

a. In general, African American adolescents have a higher rate of sexual intercourse than do adolescents from other ethnic groups.
b. The earlier a girl experiences menarche, the younger she will likely be when she has first intercourse.
c. Parents who are excessively strict have children who are less sexually active.
d. Gender differences in sexual motivations decrease in late adolescence.

Early menarche age has been associated with a number of adverse children health outcomes, including eating disorders9, depression10, type 2 diabetes1, metabolic syndrome12, breast cancer13, cardiovascular diseases14, and overall mortality11,15.

Menarche, which is marked by the onset of the first monthly bleeding, denotes the beginning of sexual maturity. Menarche occurs on average at 13.8 years old, but can occur at ages 9 to 18 and varies by race and ethnicity. The first menstrual period a female adolescent experiences is known as menarche. Menarche usually begins between the ages of 10 and 16, with a 12.4 year average age of start.

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