Menstrual cycle

High school (ages 12+)
Human Body

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/menstrual-cycle

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How long is Menstrual cycle?28 days (range typically 21-35 days)
2. What is the scientific name?Menstrual cycle
3. What is the regulating hormones?GnRH, FSH, LH, estrogen, progesterone
4. Why does a woman have a monthly cycle?The cycle prepares the body for a possible pregnancy each month. It also shows how healthy the reproductive system is.
5. How does the cycle happen?The brain releases a hormone that tells the pituitary to send signals to the ovaries. The ovaries grow eggs and produce hormones like estrogen and progesterone.

Hypothalamic-Pituitary-Ovarian (HPO) Axis: The central regulatory system controlling the menstrual cycle through hormonal feedback loops.
Endometrium: The inner lining of the uterus that undergoes cyclical changes during the menstrual cycle.
Corpus Luteum: A temporary endocrine structure formed in the ovary after ovulation, producing progesterone and estrogen.