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HUMAN DEVELOPMENT
                                                       By Shaquala Jones
                                                                  &
                                                            Rochelle Deliz




www.fetalfacts.net/images/uploadedImages/fetal%20develop
ment_sug.jpgw.fetalfacts.net/images/uploadedImage link to
where i got picture
OVERVIEW
•   You will learn about the process of human development from fertilization to birth and
    major changes that occur in each trimester of pregnancy.
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
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
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 baby's 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
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
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
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
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
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
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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Human development

  • 1. HUMAN DEVELOPMENT By Shaquala Jones & Rochelle Deliz www.fetalfacts.net/images/uploadedImages/fetal%20develop ment_sug.jpgw.fetalfacts.net/images/uploadedImage link to where i got picture
  • 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. 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. 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. 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 baby's 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. 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. 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. 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. 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. 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. 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