Name ______Period ______
Accelerated Biology
Reproduction
The Menstrual Cycle
Directions
On the chart, color in the lines for the hormones as specified below.
q FSH (red)
q LH (black)
q Estrogen (blue)
q Progesterone (green)
On the chart of the ovarian events, label the following:
q Follicle
q Ovulation
q Corpus luteum
q Menstruation
Analysis Questions
1. On what days of the menstrual cycle does a women menstruate?
Days 1–4
2. What ovarian event does FSH have a direct effect on?
Development of the follicle
3. The dramatic rise of LH stimulates ovulation.
4. On what day does ovulation occur?
Day 14
5. What effect does an increase in the level of Estrogen have on the uterus?
Causes the uterine lining (endometrium) to thicken
6. What forms after the follicle ruptures?
Corpus luteum
7. What hormone does the corpus luteum secrete?
Progesterone
8. What effect does an increase in the level of Progesterone have on the uterus?
Maintains the thickness of the uterine lining
9. What occurs when the levels of Progesterone begin to drop?
Menstruation