10 Questions
What is the WHO classification for primary amenorrhea?
Never menstruated at 15 years old
What is Type 1 primary amenorrhea based on?
Menstruation not occurring within 5 years of breast development
When does secondary amenorrhea occur?
After experiencing regular menstrual periods
What is the main difference between primary and secondary amenorrhea?
Primary involves never menstruating, while secondary involves stopping menstruation after it has started
What defines Type 1 primary amenorrhea?
Not menstruating within 5 years of breast development
What is the age criteria for primary amenorrhea according to WHO classification?
15 years old
In Type 1 primary amenorrhea, what is the key milestone that has not been reached?
Menstruation
What is the main distinguishing factor between primary and secondary amenorrhea?
Duration of amenorrhea
Which axis plays a key role in regulating the menstrual cycle and is mentioned in the text?
Hormonal axis
What is the defining characteristic of secondary amenorrhea according to the text?
Absence of menses for 6 months after regular cycles
Study Notes
Amenorrhea: Definition and Classification
- Primary amenorrhea is defined as never having menstruated by 15 years old, according to the WHO classification.
- Type 1 primary amenorrhea is characterized by not menstruating within 5 years of breast development, which typically occurs at 13 years old.
Objectives
- Review menarche and the H-P-O axis (Hypothalamic-Pituitary-Ovarian axis).
- Differentiate between primary and secondary amenorrhea and their causes.
- Discuss approaches to diagnosis and management of amenorrhea.
This quiz covers the concepts of primary and secondary amenorrhea, including definitions, causes, diagnosis approaches, and management strategies. It also includes a review of menarche and the H-P-O axis for better understanding.
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