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Human Reproduction.

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Presentation on theme: "Human Reproduction."— Presentation transcript:

1 Human Reproduction

2 Fallopian tube “ovulation” ovary

3 “I’m waiting…”

4

5

6 Y X

7 Y

8 Y Looks like we have a winner!

9 Cell Division

10 Identical Twins

11

12 Fraternal Twins

13 3 weeks The nervous system starts to develop

14 The top part “zips up” to form the brain The bottom will become the spinal cord

15 Head The embryo already has a beating heart... 4 weeks

16 “What is this?” …a face only a mother could love! eyes 5 weeks

17 “Here’s lookin’ at you kid!” 6 weeks

18 By the 12th week (3rd month),
the eyes have closed. They will stay shut for another 3 months.

19 Fingers and toes begin to form 5 weeks

20 Week 11 Fingers form on a hand that’s the size of a teardrop

21 Sonogram at 5 weeks

22 Week 6

23 1/2 inch long Week 7

24 Week 7

25 The baby is the size of a walnut. Week 8

26 Week 12 (3 months)

27 Week 16 (4 months)

28 Amniocentesis

29 “Karyotype”

30 Week 22 5 1/2 months Mothers are now beginning to look pregnant ?

31 cervix Ouch!

32

33 Week 40 9 months

34 The End


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