Examlex
By the time they reach the age of 18,approximately ________ of adolescents have had heterosexual intercourse.
Withdraw
The action of removing or taking something back, or to cease participation or membership in an activity or organization.
Ejaculation
The discharge of semen from the male reproductive tract as a result of an orgasm.
Rhythm
A strong, regular repeated pattern of movement or sound, often related to music, speech, or the beating of the heart.
Ovulating
The phase in the female menstrual cycle when an ovary releases an egg, making it available for fertilization.
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