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Fetal Development

Fetal Development. Month By Month. Month by Month. Timeline of Prenatal Development. Day 1- Conception takes place > Period of the Zygote 7-14 Days- fertilized egg implants in mother’s uterus. Timeline of Prenatal Development. 18 Days- heart begins to beat

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Fetal Development

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  1. Fetal Development Month By Month

  2. Month by Month

  3. Timeline of Prenatal Development Day 1- Conception takes place > Period of the Zygote 7-14 Days- fertilized egg implants in mother’s uterus

  4. Timeline of Prenatal Development 18 Days- heart begins to beat 21 Days- pumps own blood through separate closed circulatory system with own blood type. 28 Days- eye, ear and respiratory system begins to form

  5. Period of the Zygote Conception Fertilized egg is implanted in mother’s uterus Zygote grows to be about the size of a pin head (10-14 Days)

  6. Period of the Embryo 2 weeks after conception 2 months after conception *All Organs form *Attachment of Umbilical Cord to uterus *Amniotic Sac & Fluid formed

  7. First Month • Cell multiplication begins • Egg attaches to uterus lining • The heart, which is no larger than a poppy seed, has begun beating.

  8. First Month

  9. Two Months • The embryo is about ¼” inch long and has distinct, slightly webbed fingers. • Veins are clearly visible. • The heart has divided into right and left chambers. • Bones begin to form • Development of internal organs • The embryo is attached to the mother by the umbilical cord.

  10. Two Months

  11. Period of the Fetus From End of Two Months of Pregnancy Birth!

  12. Three Months • By now the fetus is 1 inch long and is fully formed. • All organs and muscles have formed but are immature. • Eye lids fused. • Fingers and toes almost complete

  13. Four Months • Fetus is 3 inches long • Can suck thumb, swallow, hiccup and move. • Facial features are clearer.

  14. 4 months

  15. Five Months • Fetus is 8-10” long weighing almost a pound. • Lanugo develops • Fetus is more active • Hair, eyelashes, and eybrows appear

  16. Six Months • Baby's lungs are filled with amniotic fluid, and he has started breathing motions. • If you talk or sing, he can hear you. • Fat deposits under skin • Vernix develops

  17. 6 Months

  18. Seven Months • By the end of the seventh month, your baby weighs about 1 1/2 -2lbs and is about 10-12 inches long. • Fetus is active, then rests.

  19. 7 Months

  20. Eight Months • Your baby is gaining about half a pound per week, and layers of fat are piling on. • He has probably turned head-down in preparation for birth. • Fetus may react to noise with jerking actions.

  21. 8 months

  22. Nine Months • Your baby is a hefty 6 to 9 pounds and measures between 19 and 22 inches. As he becomes more crowded, you may feel him move around less. • Disease-fighting antibodies are taken in from mother’s blood • Fetus “drops” into pelvis and is ready for birth

  23. Pregnancy is broken up into Trimesters • FIRST Trimester (1-3 Months) • Ovum (a female egg) • Zygotic & Embryonic period of Development • When all organs, nerve and brain cells Develop • SECOND Trimester (4-6 Months) • “Golden Trimester” when Mother feels the best • Third Trimester (7-9 Months) • Baby’s organs and body systems mature • Baby gains weight

  24. Crafty & Creative Time! “Where I Started” Booklet

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