Human Fetal Development


Published on

Published in: Health & Medicine
  • Be the first to comment

  • Be the first to like this

No Downloads
Total views
On SlideShare
From Embeds
Number of Embeds
Embeds 0
No embeds

No notes for slide

Human Fetal Development

  1. 1. Human Fetal Development By : Claudia Fils-aime
  2. 2. First Trimester Months One Through Three
  3. 3.  The baby is the size of a pea. Shortly after implantation the placenta and umbilical cord begins to form. The baby is in a sac of water, to protect the fetus from bumps and pressure. Spinal cords and bones from the vertebrae start to from. The heart and eyes from ; the arms and legs form buds. Your baby has a head and a trunk.Month One
  4. 4.  The baby is 1-1/8 inches long The heart can now function. The eyes, nose, lips, tongue, ears, and teeth are beginning to form. If your baby happens to be a male the penis will start to form. Your baby is starting to make movement but isnt felt by the mother yet.Month Two
  5. 5.  Your baby is 2-1/2 to 3 inches long and weighs about 1/2 to 1 ounce. Your baby is now recognizable. Nails start to develop and earlobes are formed. Arms, hands, fingers, legs, feet and toes are fully formed. Eyes are almost fully developed. Baby has developed most organs and tissues. Babys heart rate can be heard at 10 weeks with a Doppler.Month Three
  6. 6. Second Trimester Months Four Through Six
  7. 7.  Your baby is 6-1/2 to 7 inches long. Weighs about 6 to 7 ounces. Your baby can begin sucking, swallowing, and or even sucking their thumb. Tooth buds are developing. Sweat glands are forming on palms and soles. Fingers and toes are well defined. Gender is identifiable. Skin is bright pink, transparent and covered with soft, downy hair. Although recognizably human in appearance, the baby would not be able to survive outside the mother’s body.Month Four
  8. 8.  Your baby is 8 to 10 inches long. Weighs about 1 pound. Hair begins to grow on baby’s head. Soft woolly hair called lanugos covers baby’s body. Some may remain until a week after birth when it is shed. Mother begins to feel fetus move. Internal organs are maturing. Eyebrows, eyelids and eyelashes appear.Month Five
  9. 9.  Your baby is 11 to 14 inches long. Weighs about 1-3/4 to 2 pounds. Eyelids begin to part and eyes open sometimes for short periods of time. Skin is covered with protective coating called vernix. Baby is able to hiccup.Month Six
  10. 10. Third Trimester Months Seven Through Nine
  11. 11.  Your baby is 14 to 16 inches long. Weighs about 2-1/2 to 3-1/2 pounds. Taste buds have developed. Fat layers are forming. Organs are maturing. Skin is still wrinkled and red. If born at this time, the baby will be considered premature and require special care.Month Seven
  12. 12.  Your baby is 16-1/2 to 18 inches long. Weighs about 4 to 6 pounds. Its growing quickly. Brain growth occurs at this time. Most body organs are now developed, except for the lungs. The baby’s kicks are strong enough to be visible from the outside. Kidneys are mature. Skin is less wrinkled. Fingernails now extend beyond fingertips.Month Eight
  13. 13.  Your baby is 19 to 20 inches long. Weighs about 7 to 7-1/2 pounds. Lungs are now mature. Baby is now fully developed and can survive outside the mother’s body. Skin is pink and smooth. The baby settles down lower in the abdomen to prepare for birth and may seem less active.Month Nine