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Shaylan Martin (per 4) Fetal Development Timeline

  • Conception

    Conception
  • Ovulation

    Ovulation
  • Month 1

    Month 1
  • Month 2

    Month 2
  • Period: to

    Ovulation

    Most likely to conceive
    Speed will stay in you for 5 days
    Your chances on ovulation day are 33%
  • Period: to

    Conception: Egg and Sperm

    It takes 24 hours for sperm to fertilize eggs
    30-45 minutes to reach the egg
    It’s important to have healthy sperm
  • Period: to

    Month 1

    Size 6-7 mm
    1/4 in long
    Lower jaw, mouth, and throat developing
    Blood cells taking shape, circulation will begin
  • Period: to

    Month 2

    About 2.53 cm
    1 in long
    1/3 ounce
    Arms and legs are forming, fingers and toes, eyes, brain, spinal cord, and other neural tissues if central system
  • Period: to

    Month 3

    7.6-10 cm
    3-4 in long
    1 ounce
    Fully formed can open and close fist and mouth
    Fingers and toenails begin to develop
    Extral ears formed
    Teeth begin
  • Period: to

    Month 4

    6 in long
    4 ounces
    Eyelids, eyelashes, eyebrows, nails, hair formed
    Teeth and bones denser
    Can suck thumb, yawn, stretch, and make faces
  • Period: to

    Month 5

    10 in long
    1 pound
    Moving, kicking, set a pattern of activity and sleep
  • Period: to

    Month 6

    12 in long
    2 pounds
    Skin reddish in color
    Wrinkled
    Veins are visible through baby’s translucent skin
  • Period: to

    Month 7

    14 in long
    2-4 pounds
    Hearing fully developed
    Changes positions frequently
    Responds to stimuli
    Including sound, pain, and light
    Amniotic fluid begins to diminish
  • Period: to

    Month 8

    18-20 in long
    5-7 pounds
    Lungs developed
    Digestive system primed and ready to start processing milk
  • Period: to

    Month 9

    20 in long
    7.2 pounds
    Maturing to breathe outside the womb .
    Reflexes are more coordinated
    They can blink
    Turn their head and grasp
  • Period: to

    Trimester 1

    Week 1 through week 12
  • Period: to

    Trimester 2

    Week 13 through week 26
  • Period: to

    Trimester 3

    Week 27 through the end of pregnancy
  • Month 3

    Month 3
  • Month 4

    Month 4
  • Month 5

    Month 5
  • Month 6

    Month 6
  • Month 8

    Month 8
  • Month 7

    Month 7
  • Month 9

    Month 9