prenatal development

By alyssahall7
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    Second month (weeks 5-8)

    Second month (weeks 5-8)
    During these weeks the facial features of the baby begin to form. Ears begin to form and start as little folds of skin, the arms begin to form and start as tiny buds, Fingers, toes, and eyes also begin to form.
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    First trimester

    First trimester
    The first trimester will span conception to 12 weeks.This is most likely the first three weeks of pregnancy. During this time the fertilized egg will change from a small group of cells to a fetus that is starting to develop the baby's features.
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    First month (weeks 1-4)

    First month (weeks 1-4)
    The first month of pregnancy, the fertilized egg grows and the amniotic sack begins to form which is the water tight sack that forms around the egg, and fills with liquid. The Amniotic sack helps cushion the growth of the egg.
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    Third month (weeks 9-12)

    Third month (weeks 9-12)
    During this month of pregnancy the arms,hands,fingers,feet,and toes are fully formed. The baby begins to explore his or hers body by opening and closing its fist, and its mouth. By this time the fingernails and external ears are beginning to grow. The reproductive organs also develop.The forming of teeth also begin to form in the gums. The circulatory system and urinary system are also working. By the end of this month, The baby will be fully formed.
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    Second trimester begins

    Month four. Middle of pregnancy.
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    Fourth month (weeks 13-16)

    Fourth month (weeks 13-16)
    You may be able to hear the baby's heart beat through the doppler. The baby's body parts are defined. the baby can also suck on its thumb, can also yawn and make faces.
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    Fifth Month (weeks 17-20)

    Fifth Month (weeks 17-20)
    At this stage the baby begins to move around in the womb, the fetus develops muscles, baby hair begins to grow all over the baby's body.
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    Sixth month (weeks 21-24)

    Sixth month (weeks 21-24)
    The baby's skin is red, his veins are visible through translucent skin. eyes are beginning to open, the baby responds to sounds and may have hiccups.
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    Seventh month (weeks 25-28)

    Seventh month (weeks 25-28)
    The baby is maturing and responds to sound, light and pain. At this point the baby's hearing has reached, and the baby can hear. The baby moves a lot and responds to stimuli. Amniotic fluids also begin to diminish.
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    Third trimester

    Final part of pregnancy
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    Eighth month (weeks 29-32)

    Eighth month (weeks 29-32)
    The baby matures and develops reserves of body fat. More kicking is expected. Most things internal will be mature but the lungs might not be.
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    Tenth month (weeks 37-40)

    Tenth month (weeks 37-40)
    By this time your baby is ready to meet the world, there may be more movement in the stomach due to less area from the baby growing. The baby might have arranged themselves for birth. The baby will put his head down in ur uterus and get ready for birth.
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    Ninth month (weeks 33-36)

    Ninth month (weeks 33-36)
    At this month the baby's lungs should be close to being matured. The baby has reflexes now, can blink, close and open the eyes,turn their head, firmly grasp, and respond to sounds.