Understanding Fertility and the Menstrual Cycle in 7th Grade
Female reproductive health lesson for 7th graders covering topics such as the menstrual cycle, ovulation, fertilization, pregnancy, and menstruation. Explains the role of the uterus, ovaries, and hormones in the reproductive process. Suitable for young learners to understand basic concepts of fertility. Includes images for visual aid.
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Presentation Transcript
Reproduction Basics 7th Grade Lesson
Fertility and the Menstrual Cycle A female s uterus is located in the abdomen next to the stomach. The uterus is involved with menstruation. stomach uterus
Average menstrual cycle is about 28 days, but varies widely from person to person. Menstrual periods usually start between the ages of 9-15. 28 1 27 2 26 3 4 25 24 5 Menstruation 23 6 22 7 21 8 20 9 19 10 most fertile 18 11 17 12 16 13 14 15
Each month, an ovary releases an ovum, or egg, into the fallopian tube.
While its traveling, if the ovum unites with a sperm and implants in the uterus a pregnancy can begin. FERTILIZATION
If the egg does not unite with a sperm within 24-48 hours, it will dissolve and be reabsorbed by the body.
To prepare for a potential pregnancy, each month the uterus grows a thick lining to create a good environment for the potential fetus. That is what a baby is called before it s born.
If the egg and sperm do not unite, hormones signal the uterus to prepare to shed the lining causing someone to menstruate or have a period .
Menstruation, or having a period is when the uterus rids itself of the lining because there was no fertilized egg.
