1. Menstrual Cycle 9 th Grade Health

2. Menstrual Cycle The cycle begins when an______starts to mature in one of the ______________. Egg Ovaries

3. 22. The lining of the _______thickens to prepare for ___________. Uterus Pregnancy Progesterone is responsible for this!!! – Maintaining growth of the endometrium for implantation of a fertilized egg

4. Lining= Endometrium 23. If the egg is not fertilized, the lining breaks down and is discharged. This discharged of dead tissue and blood is called__________. Menstruation Menarche is the first menstrual period, this usually occur between the age of 10 and age 16

6. 24. The cycles takes about 21-35 days. The blood flow occurs for the first 3-7 days of the cycle.

7. Estrogen has reached its highest level 2 days before ovulation Ovulation occurs about midways through the cycle (about day 14) – Endometrium is at the thickest point! – Luteinizing Hormone(LH) signals the release of ovum from ovary-ovulation – If egg is not fertilized by the time that it reaches the uterus progesterone and estrogen levels drop.

8. 25.Factors affecting Menstruation are: – Diet – Illness – Travel – Exercise – Weight gain/loss

9. Every women is different Age Menstruation begins Length # of days Cramps Back Pain

10. Premenstrual syndrome (PMS) Occurs before the menstrual period – Nervous tension – Mood swings – Headaches – Bloating – Irritability May be caused by hormone levels Approximately 85% of women who menstruate report changes in the days or weeks before their menstruation that cause problems that affect their normal lives. This is known as Premenstrual Syndrome (PMS).menstruate report changes in the days or weeks before their menstruation that cause problems that affect their normal lives. This is known as Premenstrual Syndrome (PMS).

11. Menopause The ovaries slow down hormone production and stop releasing an egg. This takes place around the ages____________. 45-55

12. Endometriosis Tissue from the lining of the uterus grows outside the uterus, in the pelvic cavity. Causes pain in pelvic areas, especially during menstruation. Can lead to sterility Can be corrected with hormones or surgical removal of unwanted tissue.

14. Endometriosis affects more than 5 million American women, including teen girls.

15. It's not always diagnosed right away in teens because at first they or their doctors assume that their painful periods are a normal part of menstruating.