Examlex
For girls, menarche is the pubertal event that is most often marked by ritual.In many cultures, menarche initiates a monthly ritual related to menstruation that lasts throughout a woman's reproductive life because these cultures believe that menstrual blood is __________.
Progesterone
A female sex hormone critical for the regulation of ovulation and menstruation as well as supporting pregnancy.
Sexual Drive
The biologically driven force that motivates individuals to seek out and engage in sexual activities.
Androgens
A group of hormones that play a role in male traits and reproductive activity; the principal androgen is testosterone.
Hypothalamus
A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.
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