fetus development

  • week 5

    week 5
    The amniotic fluid is being built up.The embryo grows from a tiny speck about 2mm - the size of a pin head.By the end of the week the embryo will have more than doubled in size to about 4-5mm.The egg has now completely grown into the mucous membrane of the uterus which covers the egg, the umbilical sac and the amniotic fluid cavity.www.babycenter.com
  • week 6

    week 6
    This week's major developments: The nose, mouth, and ears.If you could see into your uterus, you'd find an oversize head and dark spots where your baby's eyes and nostrils are starting to form.
    www.babycenter.com
  • week 18

    week 18
    your baby is about 5 1/2 inches long (about the length of a bell pepper) and he weighs almost 7 ounces. He's busy flexing his arms and legs — movements that you'll start noticing more and more in the weeks ahead and his blood vessels are slowly getting visable.www.babycenter.com
  • week 9

    week 9
    nearly an inch long — about the size of a grape — and weighs just a fraction of an ounce. the baby will start to look more and more human or alien. and valved will start to form.www.babycenter.com
  • week 13

    week 13
    Fingerprints have formed on your baby's tiny fingertips, her veins and organs are clearly visible through her still-thin skin, and her body is starting to catch up with her head — which makes up just a third of her body size now, www.babycenter.com
  • week 14

    week 14
    The baby can now squint, frown, grimace, pee, and possibly suck his thumb! Thanks to brain impulses, his facial muscles are getting a workout as his tiny features form one expression after another. His kidneys are producing urinewww.babycenter.com
  • week 23

    week 23
    He or she measures over 28cm and weighs up to 550 grams.The baby is over 11 inches tall, weighs about a pound.-The eyebrows are visible.www.babycenter.com
  • week 28

    week 28
    By this week, your baby weighs two and a quarter pounds (like a Chinese cabbage) and measures 14.8 inches from the top of her head to her heels. She can blink her eyes, which now sport lashes.
  • week 29

    week 29
    our baby now weighs about 2 and a half pounds (1150gm)and is about 15 inches (38.5cm) long from head to heel.Brain is busy developing billions of neurons.Baby's muscles and lungs are continuing to mature.www.babycenter.com
  • week 40

    week 40
    You have now reached the time of delivery.
    All systems are developed and ready to go.
    Now it is just a matter of time.www.babycenter.com