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Questions and Answers
What is the average length of the menstrual cycle?
What is the average length of the menstrual cycle?
During which phase of the menstrual cycle does the corpus luteum form?
During which phase of the menstrual cycle does the corpus luteum form?
What is the primary hormone secreted by the corpus luteum?
What is the primary hormone secreted by the corpus luteum?
Which phase corresponds to the endometrial regeneration in the menstrual cycle?
Which phase corresponds to the endometrial regeneration in the menstrual cycle?
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What occurs during the menstrual phase?
What occurs during the menstrual phase?
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Study Notes
Menstrual Cycle Overview
- Average cycle length is approximately 28 days
- Ovulation typically occurs around day 14
- Cells multiply to create a corpus luteum during the luteal phase
Endometrial Regeneration
- The proliferative phase is the phase of endometrial regeneration
- This phase lasts until the luteinization of the Graafian follicle occurs around ovulation
Ovarian Hormones
- Two key hormones are estrogen and progesterone
- Estrogen is secreted by the follicles
- Progesterone is secreted by the corpus luteum
Menstrual Phase
- The menstrual phase lasts approximately 1 to 5 days
- Progesterone levels decline during this phase
- Spiral arterioles constrict
Endometrial Appearance
- The endometrium appears hypoechoic during the proliferative phase with a three-line sign.
Irregular Menstrual Cycles
- Polymenorrhea is when the menstrual cycle occurs more frequently than every 21 days
Anatomical Structures
- The pouch of Douglas is also known as the rectouterine pouch
Phases of Menstrual Cycle
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The secretory phase occurs from days 15 to 28 of the menstrual cycle
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The secretory phase corresponds to the luteal phase of the ovarian cycle.
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The proliferative phase occurs from days 5 to 14 and corresponds to the follicular phase of the ovarian cycle.
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Description
Explore the phases of the menstrual cycle, including the average cycle length, hormonal changes, and anatomical structures involved. Understand key terms such as endometrial regeneration and irregular menstrual cycles. This quiz will enhance your knowledge of female reproductive health.
