-
week 3
Amniotic fluid is beginning to collect around your ball of cells in the cavity that will become the amniotic sac. This fluid will cushion your baby in the weeks and months ahead. Once the ball of cells takes up residence in your uterus, the part of it that will develop into the placenta starts producing the pregnancy hormone. http://www.babycenter.com/6_your-pregnancy-3-weeks_1049.bc -
Week 6
The baby is about the size of a kidney bean,but around this time in the pregancy some of the vital organs are beginning to develop. Somethings that are already developing are netural tube, heart, limps, brain, larynx and inner ear, neck and lower jaw, facial features, and organs, lastly placenta. http://www.gerber.com/AllStages/growth_and_development/week_6_your_pregnancy.aspx -
week 7
Hands and feet are developing although they look more like paddles at this point. Your baby is still considered an embryo and has something of a small tail, which is her tailbone. You'd spot eyelid folds partially covering her peepers, which already have some color, as well as the tip of her nose and tiny veins. Also Both hemispheres of your baby's brain are growing, and her liver is churning out red blood cells until her bone marrow forms . http://www.babycenter.com/6_your-pregnancy-7-weeks_1 -
week 8
Webbed fingers and toes are poking out from your baby's hands and feet, his eyelids practically cover his eyes, breathing tubes extend from his throat to the developing lungs, and his tail is just about gone. In his brain, nerve cells are forming. http://www.babycenter.com/6_your-pregnancy-8-weeks_1097.bc -
week 11
Some things the baby is doing during week 11 are growing hair follicles, fingernails, and ovaries. She now has hands and feet in front of her body, with ears nearly in their final shape, open nasal passages on the tip of her tiny nose, a tongue in the mouth, and visible nipples.
http://www.whattoexpect.com/pregnancy/week-by-week/week-11.aspx -
week 12
The baby now has devolped facial features, such as a chin, nose, their facial profile, tooth buds. Their brain has fully devolped. Their vocal chords are now complete and they at times cry silently. The baby's eye lids are closed and will be until 7 months to protect the optical nerve. The fingers and toes have devloped soft nails and delicate hairs are beginning to grow on their heads. The baby's head makes up about half of the fetus size.
http://www.babycentre.co.uk/12-weeks-pregnant -
week 18
The baby's chest now moves up and down to mimic breathing and their blood vessels are now visible through their thin skin. The ears are now in final position and they can hear. The baby’s nervous system continues to become more refined and detailed in development. They are begining to build a prtoective wax layer of skin. The fetus is now inches long and 7 ounces.
http://www.babycentre.co.uk/18-weeks-pregnant -
week 24
Her brain is growing rapidly, taste buds have fully developed, and her footprints and fingerprints are continuing to form. The baby is covered with a fine, soft hair and now weighs about 1.3 pounds and is about 12 inches long. The lungs are developing branches of the respiratory tree. They are also forming cells that produce surfactant which is a substance that helps the air sacs inflate easily and also keeps the air sacs from collapsing.
http://www.baby2see.com/development/week24.html -
week 32
Although his lungs won't be fully developed until just before birth, The baby is busy inhaling amniotic fluid to exercise his lungs. The fetus can now suck his thoumb. They now have the amount of hair they will come out of the womb with. The baby's skin becomes soft and smooth as it plumps out before birth. Their bones are now fully devloped but are still soft.
