Foetal development in the womb LCA Social Education Module 4.
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Transcript of Foetal development in the womb LCA Social Education Module 4.
![Page 1: Foetal development in the womb LCA Social Education Module 4.](https://reader036.fdocuments.in/reader036/viewer/2022070415/56649cb15503460f9497666b/html5/thumbnails/1.jpg)
Foetal development in the Foetal development in the wombwomb
LCA Social Education
Module 4
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The beginning…
Fertilization = the joining of the sperm and the egg in the fallopian tube to form a unique human being.
For the first 8 weeks it is known as an Embryo. After 8 weeks it is known as a Foetus.an Embryo
This is a fertilized egg only 30 hours after conception
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4 weeks
The Embryo is attached to the mother’s uterus.
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A foetus at 7 weeks in the wombWhat changes do you notice?
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A foetus at 7 weeks in the wombWhat other changes do you notice?
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A foetus at 7 weeks in the womb
What else do you notice?
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How do you think the foetus receives its nutrition?
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A foetus at 11 weeks in the wombWhat changes do you notice?
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A foetus at 12 weeks in the wombWhat changes do you notice in the feet?
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A foetus at 12 weeks in the wombWhat changes do you notice in
the hand?
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Why do you think the Amniotic Sac is very important?
16 week foetus
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A foetus at 3-4 months What developments do you notice in the foot?
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What other changes do you see at 4 months?
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What changes do you see at 5 months?
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9 months – full term
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Summary Foetal Development
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What happens over the 40 weeks?
Week 4: The placenta develops
Week 6: Umbilical cord develops, first heart beat begins, buds for arms and legs form
Week 8: elbows and feet begin to grow, teeth develop under gums
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week 14• head-face, eyes,
retina, eyelids and eyebrows, ears, bones in the middle ear, nostrils
• vocal cords, intestines, pancreases, arms, hands, fingernails, hair, legs, toenails, fat, placenta, brain, muscles.
A scan of a baby in the womb at 14 weeks
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from 24 weeks
• Week 24: eyes and ears develop and move to their proper position throughout the trimester
• Week 26: brain waves for sight and sound
• Week 27: eyes start opening and retinas start growing
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Weight and InchesWith a ruler look at these measurements
• 4 months: the baby’s length is 4.5 inches
• 5 months: the baby’s length is 10 inches.
• 6 months: the baby’s length is 12 inches and weighs more than a 1 pound
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A new born baby
What was your birth weight?
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Birth Defects
Has anyone heard about Birth Defects?
Have you heard of these ones?
• Down Syndrome• Cerebral Palsy• Cystic Fibrosis• Cleft Palate• etc
…these defects are Genetic.
Some are non-genetic and can be avoided. Let’s look at a couple of examples:
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Spina Bifida
From looking at the picture what is Spina Bifida?
Why is it important for a pregnant woman to take Folic Acid, especially in the first 12 weeks of the pregnancy?
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Foetal Alcohol Syndrome (FAS)From looking at the pictures - What is FAS & What do
you think causes it?
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The Effect of Foetal Alcohol Syndrome (FAS) on a baby’s brain
What differences do you notice?
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How do you think Smoking & Drugs affect the development
of a baby in the womb?
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The End