Fetal Develpoment

  • Month 1

    BY END OF MONTH - about 1/4 an inch
    -DNA formed, along with the formation of the face
    - The embryo is implanted
  • Month 2

    Month 2
    BY END OF MONTH -about an inch, weighing about 1/3 of an ounce
    -limbs form, brain begins to develop
    -heart is beating, slight, undetectable movements made
  • Month 3

    Month 3
    BY END OF MONTH -about 3 to 4 inches long, weighs about one ounce
    -all of baby's organs are present, as well as ligaments, even developing fingernails
    -slight movement, gender normally not detectable yet
  • Month 4

    BY END OF MONTH - 5 to 6 inches long, weighing about 4 ounces
    - hair and teeth begin to develop, as well as digestive system
    -mother may begin to feel movement, may also be able to determine gender
  • Month 5

    BY END OF MONTH -about 8 inches long, weighing 3/4 to 1 pound
    -fingerprints developed, ears are developed
    -can determine gender, fetus could be sucking on thumb, may also be able to hear you now
  • Month 6

    Month 6
    BY END OF MONTH - around 10 inches in length, weighing anywhere from 1 1/2 pounds to 2 1/4 pounds
    -baby's eyes can open and close, vocal cords can function
    - grip reflex is now acquired as well as startle
  • Month 7

    Month 7
    BY END OF MONTH - about 12 inches in length, weighing around 3 pounds
    -body fat begins to increase, bones (besides skull) are fully developed now
    -fetus hiccups more often, and is able to cry, movements may be visible
  • Month 8

    BY END OF MONTH - about 12 inches long, weighing around 5 pounds
    -lungs and brain continues to develop in order to function outside of the womb
    -movements may slow during this month, fetus should be head down
  • Month 9

    BY END OF MONTH - about 21 inches long, weighing 7 to 8 pounds
    - lungs continue to mature, as well as the brain
    -birth occurs around end of month