Menstrual cycle overview flashcards
Overview of the menstrual cycle, covering phases, hormones, and related biological processes.
Quiz(14 domande)
1. What phase occurs right before menstruation?
Termini in questo set(17)
What is the menstrual cycle?
The monthly series of changes in the female reproductive system, lasting about 28 days.
Follicular phase
First phase of the cycle; follicles in the ovaries mature under FSH influence.
Luteal phase
The phase after ovulation; prepares the uterus for potential implantation.
Ovulation
Release of a mature egg from the ovary, typically on day 14 of a 28-day cycle.
Menstruation
Shedding of the uterine lining when pregnancy does not occur; lasts 3-7 days.
What hormone triggers ovulation?
Luteinizing hormone (LH) surges to trigger ovulation.
Difference between FSH and LH
FSH stimulates follicle growth; LH triggers ovulation.
True or false: Menstrual cycles are the same for every woman.
False, because cycles can range from 21 to 35 days.
What role does estrogen play?
Estrogen regulates the menstrual cycle and promotes egg maturation.
What is the endometrium?
The inner lining of the uterus that thickens in preparation for pregnancy.
Fill in the blank: The average cycle length is ___ days.
The average cycle length is 28 days.
Hormones involved in the menstrual cycle
Estrogen, progesterone, FSH, and LH.
What happens during the secretory phase?
The endometrium thickens for possible implantation, under progesterone influence.
Difference between primary and secondary amenorrhea
Primary: no periods by age 15; Secondary: periods stop after regular cycles.
True or false: Stress can affect the menstrual cycle.
True, because stress can disrupt hormone levels affecting the cycle.
What is menarche?
The first occurrence of menstruation, usually between ages 12-15.
Quiz: Hormone that maintains the uterine lining?
Progesterone maintains the uterine lining.
Domande in questo set(14)
1. What phase occurs right before menstruation?
2. Which hormone is primarily responsible for the thickening of the endometrium?
3. Which phase includes the days of bleeding?
4. Which hormone has a surge to trigger ovulation?
5. Which phase follows ovulation?
6. Which is NOT a stage of the menstrual cycle?
7. What is the average age of menarche?
8. What can disrupt the menstrual cycle?
9. Difference between primary and secondary amenorrhea?
10. What hormone diminishes after ovulation if no pregnancy occurs?
11. What happens during the secretory phase?
12. What is the role of FSH in the menstrual cycle?
13. True or false: Each woman's cycle is strictly 28 days.
14. Hormones that peak during the follicular phase?
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