1. Pregnancy Trimesters Health Class

2. First trimester Changes in Baby: -During the first 8 weeks the baby is called an embryo

3. More changes in baby The baby looks like a tadpole On day 25 the heart begins to beat At the end of the first month the embryo is ½” long and weighs a fraction of an ounce The brain begins to form in the second month After the 9 th week the baby is referred to as a fetus The fingers and toes grow nails You can hear the heartbeat after the 10 th week with an instrument

4. -The baby releases urine in the amniotic sac which is removed through the mother’s circulation -The reproductive organs begin to form in the 11 th week -By the end of the first trimester the baby looks human

5. Changes in mother Changes in mother: -Morning sickness -Headaches - Dizziness -Fatigue -No period

6. Second Trimester : Changes In Baby- -The baby can now hear your voice -It moves, kicks, and swallows -At the end of the 4 th month the baby is 6 to 7 inches long and weighs 5 ounces -At 16 weeks the baby has fingerprints -The fetus opens its eyes at week 20

7. Second Trimester cont. -Sensitive to light and sound at week 24 -By the end of 6 months the baby weighs 2 pounds and is 14 inches long -The baby can share emotions with the mother after 6 months -The baby begins to taste and smell what the mother eats

8. Changes In Mother -Belly starts to show -Heart burn -Forgetfulness -Back pain -Mother feels the most energetic during this trimester

9. Third Trimester Changes In Baby: Baby gains half its weight during this trimester Making faces, kicking, hiccupping, and crying The fetus can regulate its own temperature Produces its own red blood cells The fetus urinates half a liter a day The pupils can now dilate Skin is now pink, not red in color Smaller movements as it gets crowded in the womb

10. Changes In Mother -The uterus expands 1000 times its normal size -The mother experiences: - tired belly muscles - leaking - hemorrhoids - clumsiness

11. 8 week embryo

12. 12 week fetus

13. 16 week fetus

14. 20 week fetus

15. 24 week fetus

16. 30 week fetus

17. 36 week fetus

18. Newborn Baby

19. The End