Exactly what happens during the menstrual cycle?
Using the words of LH, FSH, estrogen and progesterone, how the menstrual cycle do? Why leading up to the egg to be fertilized. Only a brief summary might help. Using these terms! thanks!
I can not use those terms. but the boys door penis in vagina girls and semen through the penis or vagina shoots and hits an egg and the egg travels to the stomach and forms a child.
How the Body Works : The Menstrual Cycle
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