The clinical problem of amenorrhea may be defined by which of the following criteria?
1)no period by age 14 in the absence of growth or development of secondary sex characteristics
2)no period by age 16, regardless of the presence of normal growth and development with the appearance of secondary sex characteristics
3)in a woman who has been menstruating, the absence of periods for a length of time equivalent to a total of at least 3 of the previous cycle intervals or 6 months of amenorrhea

Question

Quizplus · Accepted Answer

Normal menstrual flow function depends on the complex hormonal interactions among the hypothalamus, pituitary, and ovaries.An intact outflow tract and the existence and development of the endometrium are also required for normal menstrual flow.Abnormalities in any of these hormonal or anatomical systems may cause amenorrhea (absence of bleeding).The clinical problem of amenorrhea may be defined by the following criteria: (1) no period by age 14 in the absence of growth or development of secondary sex characteristics; (2) no period by age 16, regardless of the presence of normal growth and development with the appearance of secondary sex characteristics; (3) in a woman who has been menstruating, the absence of periods for a length of time equivalent to a total of at least 3 of the previous cycle intervals or 6 months of amenorrhea.

The Clinical Problem of Amenorrhea May Be Defined by Which