____________, or the first menstrual bleeding an individual experiences, general
ID: 63953 • Letter: #
Question
____________, or the first menstrual bleeding an individual experiences, generally occurs in females around the age of __________. This represents an external marker that _____________, or the process of sexual maturation is underway. As the process of sexual maturation ensues, the hypothalamic-pituitary-gonadal (HPA) axis undergoes significant changes that, in the absence of pathology, culminate in maturation and ovulation of gametes roughly every _________ days in most women. When the HPG axis is functional and producing viable gametes, a woman is said to be in her period of reproductive 'competence'. During this time, the main estrogen in her circulation is _____________, which is produced by the granulosa cells in her ovarian follicles where eggs are maturing and preparing for ovulation.
Explanation / Answer
Menarche, or the first menstrual bleeding an individual experiences, generally occurs in females around the age of 12 to 15.
This represents an external marker that puberty, or the process of sexual maturation is underway.
As the process of sexual maturation ensues, the hypothalamic-pituitary-gonadal (HPA) axis undergoes significant changes that, in the absence of pathology, culminate in maturation and ovulation of gametes roughly every 28 days in most women.
When the HPG axis is functional and producing viable gametes, a woman is said to be in her period of reproductive 'competence'. During this time, the main estrogen in her circulation is increased, which is produced by the granulosa cells in her ovarian follicles where eggs are maturing and preparing for ovulation.
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