child dev


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  • Created by: courtney
  • Created on: 03-10-10 19:36

key words

Fertilisation is when a sexual intercouse has tacken place and the sperm has enterd the first layer of the ova

Sexual Intercourse is an activity when a man inserts his penis into the women’s vagina.

Contraception is when the egg splits; which can go on for 3-4 days after sex.

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the menstrual cycle

Days 1-7: The menstrual period. The uterus sheds its lining together with the unfertilised egg. This is seen as the menstrual blood loss unless the ovum has been fertilised.

Days 8-12: The uterus starts developa new lining.

Days 12-18: The ovary releases its next egg.

Day 16-22: The lining of the uterus thickens and gets ready to cope wiuth an egg that has been fertilised.

Days 23-28: If the egg has not been fertilised, the ling of the uterus starts to break starts to break down.

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