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Prenatal Development Timeline

By kazonna
  • 1 CE

    1-2 weeks pregnant

    1-2 weeks pregnant
    In weeks 1 and 2 of pregnancy, your body is gearing up for ovulation and preparing for fertilization.Your technically not pregnant yet and there's no baby.
  • 1 CE

    3-4 weeks pregnant

    3-4 weeks pregnant
    Its now an embryo made up of 2 layers,placenta is developing,conception and the zygote turns into a blastocyst.
  • 1 CE

    5-6 weeks pregnant

    5-6 weeks pregnant
    Embryo is growing,Brain/spinal cord starts to form.Bones,heart,organs start to form.The baby is 1/6 in long,eyes and ears form
  • 1 CE

    7-8 weeks pregnant

    7-8 weeks pregnant
    Embryo has a small tail-forming hands/feet.Face and brain begins forming/developing.All organs are formed
  • 1 CE

    12 weeks pregnant

    12 weeks pregnant
    Brain is growing,kidneys are starting to excrete urine,Toes can curl.
  • 1 CE

    10-11

    10-11
    Organs/structure start to grow.Tiny tooth buds are appearing underneath the gums.Hands open and close into fist.The baby's body is straightening and his torso is lengthening.
  • 1 CE

    16 weeks pregnant

    16 weeks pregnant
    Baby's growing rapidly.Transparent skin.The baby can soon hear your voice.Moving but mother can't feel it.Is 4 1/2 in and weighs 4 oz.
  • 1 CE

    14 weeks

    14 weeks
    Sex more apparent.Baby can swallow/make urine.Weighs about 1 1/2 oz.Fingerprints develop
  • 1 CE

    20-21 weeks pregnant

    20-21 weeks pregnant
    Sleeps/Wakes.All organs/structures formed.Breathing movement occur.Baby's lungs are developing more this week.6 1/2 in and 11 oz.
  • 1 CE

    18-19 weeks pregnant

    18-19 weeks pregnant
    When 18-19 weeks pregnant your baby's digestive system will start to develop and work,they can also start hearing.First signs of fetal movement.
  • 1 CE

    22-24 weeks pregnant

    22-24 weeks pregnant
    Now has eyebrows,nails,fingernails,lashes,more active.More lung development.Skin still transparent,weighs a little bit over a pound and is 8 in.
  • 1 CE

    31-32 weeks pregnant

    31-32 weeks pregnant
    Rapid weight gain.The baby's brain is getting more sophisticated.The baby is busy cultivating real-life tricks like sucking, breathing and swallowing.Is 11in and weighs over 3 pounds.
  • 1 CE

    28-29 weeks pregnant

    28-29 weeks pregnant
    Eyes begin to open,Lungs capable to breathing air.Kick strength increased and is 10 in and weighs 2 1/4 lbs.
  • 1 CE

    36-37 weeks pregnant

    36-37 weeks pregnant
    Takes up most space in the amniotic sac.Body turns-head is down.Uterus is growing.
  • 1 CE

    38-40 weeks pregnant

    38-40 weeks pregnant
    The baby's lungs are stronger.The baby's skin has now finally changed from pink-tinted to white, no matter what its eventual color will be.Baby is prepped for the real world with all systems (including organs and reflexes) a go.
  • 1 CE

    34 weeks pregnant

    34 weeks pregnant
    Fingernails and toenails grow more.Responds to light.Breathing motions.Skin is smooth and weighs 4 1/2 lbs and 12 in.