HUMAN DEVELOPMENT                                                       By Shaquala Jones                                 ...
OVERVIEW•   You will learn about the process of human development from fertilization to birth and    major changes that oc...
FIRST TRIMESTER: MONTH ONE•   By the end of four weeks:     ∞ The fetus is developing its brain and spinal cord     ∞ The ...
FIRST TRIMESTER: MONTH TWO•   By the end of eight weeks:     ∞ All of the fetus’s major organs are forming, as well as the...
FIRST TRIMESTER: MONTH THREE•   By the end of 12 weeks:     ∞ The nerves and muscles begin to work together     ∞ You will...
SECOND TRIMESTER: MONTH FOUR•   By the end of 16 weeks:     ∞ Muscle tissue and bone continue to form and create a complex...
SECOND TRIMESTER: MONTH FIVE•   By the end of 20 weeks:     ∞ The baby is more active     ∞ Eyebrows, eyelashes, fingernai...
SECOND TRIMESTER: MONTH SIX•   By the end of 24 weeks:     ∞ Bone marrow makes blood cells     ∞ Taste buds form     ∞ Foo...
THIRD TRIMESTER: MONTH SEVEN•   By the end of 32 weeks:     ∞ The baby’s bones are fully developed, but still soft     ∞ T...
THIRD TRIMESTER: MONTH EIGHT•   By the end of 36 weeks:     ∞ Body fat increases     ∞ The baby weighs about 6 to 6½ pound...
THIRD TRIMESTER: MONTH NINE•   By the end of 37 weeks:     ∞ The baby is considered full term     ∞ The organs can functio...
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Human development

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Human development

  1. 1. HUMAN DEVELOPMENT By Shaquala Jones & Rochelle Delizwww.fetalfacts.net/images/uploadedImages/fetal%20development_sug.jpgw.fetalfacts.net/images/uploadedImage link towhere i got picture
  2. 2. OVERVIEW• You will learn about the process of human development from fertilization to birth and major changes that occur in each trimester of pregnancy.
  3. 3. FIRST TRIMESTER: MONTH ONE• By the end of four weeks: ∞ The fetus is developing its brain and spinal cord ∞ The heart is beginning to form ∞ Buds that are supposed to be arms and legs appear ∞ The fetus is 1/25 of an inch long http://www.webmd.com/baby/1to3 -months link to picture
  4. 4. FIRST TRIMESTER: MONTH TWO• By the end of eight weeks: ∞ All of the fetus’s major organs are forming, as well as the external structures ∞ Arms and legs grow longer, and fingers and toes start to form ∞ The sex organs are beginning to form. However, you will not be able to determine the baby’s sex. ∞ Eyes move forward and eyelids are forming ∞ The umbilical cord is forming ∞ The baby is about 1 inch long and weighs less than 1/8 of an ounce http://www.webmd.com/baby/1to3 -months link to picture
  5. 5. FIRST TRIMESTER: MONTH THREE• By the end of 12 weeks: ∞ The nerves and muscles begin to work together ∞ You will be able to determine the babys sex ∞ Eyelids close to protect the eye and remain closed until 28 weeks ∞ The baby is about 3 inches long and weighs almost an ounce http://www.webmd.com/baby/1to3-months link To picture
  6. 6. SECOND TRIMESTER: MONTH FOUR• By the end of 16 weeks: ∞ Muscle tissue and bone continue to form and create a complex skeleton ∞ Skin forms and is easy to see through ∞ The baby makes sucking motions with the mouth ∞ The baby is about 4 or 5 inches long and weighs almost three ounces http://3.bp.blogspot.com/_XkNph2Q4Wnw/SH7 PtogADRI/AAAAAAAAAp0/eNxjiVZxts0/s200/f etus-%2B4%2Bmonths.bmp link to picture
  7. 7. SECOND TRIMESTER: MONTH FIVE• By the end of 20 weeks: ∞ The baby is more active ∞ Eyebrows, eyelashes, fingernails and toenails have formed ∞ The baby can hear and swallow ∞ The baby is about 6 inches long and weighs almost nine ounces http://www.powhatanvshl.com/fetalstages/Month%20 5.jpg link to picture
  8. 8. SECOND TRIMESTER: MONTH SIX• By the end of 24 weeks: ∞ Bone marrow makes blood cells ∞ Taste buds form ∞ Foot/fingerprints have formed ∞ Hair grows on the baby’s head ∞ The lungs are forming ∞ The baby sleeps regularly http://www.phc-sgv.org/images/month8.jpg link To picture
  9. 9. THIRD TRIMESTER: MONTH SEVEN• By the end of 32 weeks: ∞ The baby’s bones are fully developed, but still soft ∞ The baby kicks and jabs forcefully ∞ The eyes can open and close and sense changes in light ∞ Lungs are fully formed, but not functional ∞ The baby’s body begins to store vital minerals ∞ The baby is gaining about ½ a pound a week and is now about 4 to 4½ pounds http://www.earlymotherhood.com/wp- content/uploads/2006/05/diagram7.gif link to picture
  10. 10. THIRD TRIMESTER: MONTH EIGHT• By the end of 36 weeks: ∞ Body fat increases ∞ The baby weighs about 6 to 6½ pounds and is 16 to 19 inches http://zachjonesishome.files.wordpress.com/2008/08 /34-weeks-fetus.jpg link to picture
  11. 11. THIRD TRIMESTER: MONTH NINE• By the end of 37 weeks: ∞ The baby is considered full term ∞ The organs can function properly on their own ∞ The baby turns into a head down position for birth http://www.babycentre.co.uk/i/ultrasound/ultrasoun d-9m.jpg link to picture

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