1. Multiple Pregnancies two or more babies develop two or more babies develop http://www.twinstuff.com /twinchances.htm http://www.twinstuff.com /twinchances.htm

2. Identical vs Fraternal

3. Identical Twins http://player.discoveryeducation.com/index.cfm?guidAssetId=2679F0C2-6732-41E1-8C01-A05DA9DA9DEF http://player.discoveryeducation.com/index.cfm?guidAssetId=2679F0C2-6732-41E1-8C01-A05DA9DA9DEF http://player.discoveryeducation.com/index.cfm?guidAssetId=2679F0C2-6732-41E1-8C01-A05DA9DA9DEF http://player.discoveryeducation.com/index.cfm?guid AssetId=97882369-842C-4362-ACAE- 31C24F73E3AD

4. Fraternal Twins Develop from 2 ova and have DIFFERENT genetic makeup Develop from 2 ova and have DIFFERENT genetic makeup

7. This is usual in 2/3 of identical twins!

8. RISKS??? What are the risks to a child who is part of a multiple pregnancy? What are the risks to a child who is part of a multiple pregnancy?

9. Conjoined Twins Ovum does not completely split Ovum does not completely split may share internal organs may share internal organs

10. Questions to think about… Consider the effects of having multiples. What are the emotional, social, physical, and financial advantages and disadvantages of twins? Consider the effects of having multiples. What are the emotional, social, physical, and financial advantages and disadvantages of twins? What are some of the effects on parents? What are some of the effects on parents? What advice would you give parents raising multiples? What advice would you give parents raising multiples?