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Sometime during puberty girls start their '''mensturation'''. | Sometime during puberty, girls start their '''mensturation'''. | ||
After the first menstruation a girl can get [[pregnant]]. | After the first menstruation, a girl can get [[pregnant]]. | ||
The menstruation approximatly happens every four (4) weeks. | The menstruation approximatly happens every four (4) weeks. | ||
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== Detailed explanation == | == Detailed explanation == | ||
When a girl becomes older, | When a girl becomes older, an egg develops every month in her ovaries. | ||
If that egg is fertilized by sperm | If that egg is fertilized by sperm, a baby is created. | ||
A thick mucous is formed as a precaution for the egg. | |||
The egg nests in this mucous. | The egg nests in this mucous. | ||
If the egg is not fertilized this mucous is not needed. | If the egg is not fertilized, this mucous is not needed. | ||
Then it | Then it dissolves. | ||
This makes the uterus sore and bleed. | |||
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When woman get older (around 50 years old) the bleeding stops. | When woman get older (around 50 years old), the bleeding stops. | ||
This means they cannot have children anymore. | This means they cannot have children anymore. |
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