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menstrual cycle
| FACT |
|---|
| as an egg matures, the lining of the uterus thickens with blood filled tissue |
| When the mature egg is released, the procces of thickening continues |
| as the egg goes down the fellopian tube, the procces of thickening continues. |
| if the egg is fertilised than the lining stops thickening |
| then its thins |
| and the blood is released |
| and ejected out the vagina. |