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