Podcast
Questions and Answers
What hormonal change triggers ovulation?
What hormonal change triggers ovulation?
What structure forms after the follicle releases an egg?
What structure forms after the follicle releases an egg?
How long is the average menstrual cycle?
How long is the average menstrual cycle?
What is the role of the uterine lining in the menstrual cycle?
What is the role of the uterine lining in the menstrual cycle?
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What happens to the egg after ovulation if fertilization doesn't occur?
What happens to the egg after ovulation if fertilization doesn't occur?
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Flashcards
Menstrual Cycle Duration
Menstrual Cycle Duration
The average menstrual cycle lasts about 28 days, but can range from 21 to 35 days.
Luteal Phase
Luteal Phase
The phase after ovulation where the corpus luteum forms and produces progesterone.
Follicular Phase
Follicular Phase
The phase before ovulation characterized by rising estrogen and follicle development.
Ovulation
Ovulation
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Menstrual Symptoms
Menstrual Symptoms
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Study Notes
Learning Objectives
- Identify the roles of hormones in different phases of the menstrual cycle
- Explain the menstrual cycle in the female reproductive system
- Design a diagram that corresponds to the different phases in a menstrual cycle
- Appreciate the biological significance of menstruation and challenges faced by individuals experiencing it
The Menstrual Cycle
- A recurring cycle of physiological changes in the female reproductive system, regulated by hormones
- Characterized by a monthly shedding of the uterine lining (menstruation)
- This cycle is essential for the possibility of pregnancy
Days of the Month
- Displays the phases of the monthly cycle
- Demonstrates various phases like menstruation, follicular, ovulation, and luteal
Hormones
- Estrogen: A hormone that plays a crucial role throughout the menstrual cycle. Levels peak before ovulation.
- Luteinizing Hormone (LH): Released to trigger ovulation.
- Follicle-stimulating hormone (FSH): Levels influence follicle growth to maturation
Phases
- Phase 1: Follicular Phase: Estrogen levels increase. This phase includes days 1-13. The follicular phase is when the egg develops in the ovaries
- Phase 2: Ovulation: The mature egg is released from the ovary. Happens around day 14 of a typical cycle. Ovulation is when the egg is released from the follicle
- Phase 3: Luteal Phase: The corpus luteum forms and secretes progesterone, preparing the uterus for a potential pregnancy. The luteal phase is typically days 15-28.
- Phase 4: Menstruation: If pregnancy doesn't occur, the uterine lining sheds, resulting in menstruation, days 1 - 5. The shedding of the uterine lining is part of the menstrual cycle.
Ovulation
- The release of a mature egg from the ovary
- Typically occurs around day 14 of a 28-day cycle
- Fertilization can occur during the egg's travel down the fallopian tube
Uterine Lining
- The lining of the uterus thickens during the follicular phase to prepare for a potential pregnancy, specifically during the ovulation phase.
- If pregnancy does not occur, the lining sheds during menstruation
Symptoms of Menstruation
- The experience of menstruation may include a variety of physiological and emotional symptoms that vary both temporally and among individuals. These symptoms can occur pre/during/post menstruation.
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Description
Test your knowledge on the menstrual cycle and the processes involved in ovulation. This quiz covers hormonal changes, the role of the uterine lining, and what happens post-ovulation. Challenge yourself and learn more about female reproductive health!
