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week 4
By the time it reaches the uterus, the rapidly dividing ball of cells — now known as a blastocyst — has separated into two sections.The inner group of cells will become the embryo. The outer group will become the cells that nourish and protect it. On contact, it will burrow into the uterine wall for nourishment. This process is called implantation http://www.mayoclinic.com/health/prenatal-care/PR00112 -
week 7
The embryo is around 13 mm (1/2 inch) in length.
The heart is beating with one chamber.
A dividing wall is formed in the heart.
Arm and leg buds begin to grow. http://www.baby2see.com/development/week7.html -
week 19
You may be noticing some skin changes, too. Are the palms of your hands red? Nothing to worry about — it's from the extra estrogen. You may also have patches of darkened skin caused by a temporary increase in pigment. http://www.babycenter.com/6_your-pregnancy-19-weeks_1108.bc -
week 22
At 11 inches (the length of a spaghetti squash) and almost 1 pound, your baby is starting to look like a miniature newborn. His lips, eyelids, and eyebrows are becoming more distinct, and he's even developing tiny tooth buds beneath his gums. His eyes have formed, but his irises (the colored part of the eye) still lack pigment.
http://www.babycenter.com/6_your-pregnancy-22-weeks_1111.bc -
week 26
The baby measures 14 inches long and weighs over 1.7 pound.Baby measures 35.5cm long and weighs over 760 grams.The feet are 2 inches (5cm) long. Hands are very active.The baby's eyes begin to open around this time.http://www.baby2see.com/development/week26.html -
week 30
Baby measurements are 16 inches and weighs about 3 pounds.Length is 40cm and your baby's weight is 1.4 kilograms.The head is almost 3.5 inches (8cm) in diameter. he feet are nearly 2.5 inches (6cm) long.The wrinkled skin is becoming smoother now.In boys, the testicles have moved down to the groin.The baby controls its own body temperature.
http://www.baby2see.com/development/week30.html -
week 32
The baby is 17 inches (43cm) long and weighs 4 pounds (1.8 kilograms).The diameter of the head is almost 4 inches (10cm).Under the skin the fat layer is getting thicker.The toenails and fingernails are completely formed. http://www.baby2see.com/development/week32.html -
week 34
Your baby now is approximately 18 inches long and weighs about 5.25 pounds.Baby is now 46cm crown to heel and the weight is 2400 grams.Your child has now an excellent chance of survival outside the womb.Fat accumulations plumps up the arms and legs this week.Eyes opened when awake and closed when sleeping.The fingernails are now completely formed.
www.baby2see.com/development/week34.html -
week 38
Baby is about 20 inches (51 cm) and weighs about 7.5 pounds (3.4 kilograms).The soft down, which covered the body throughout the pregnancy, is now disappearing.The body fat is continuing to build up, baby putting on about 1oz (28 grams) a day.The wrinkled skin is becoming 'baby' smooth.The baby may have reached its final birth position.Most babies are born head first with only about 3 percent coming out feet first. About one in eight births are caesarean.
http://www.baby2see.com/development/week -
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.Baby is about 20 inches (51cm) and weighs approximately 7.5 pounds (3.5 kg).The head has a diameter of about 4 inches (10 cm).The contractions could begin at any moment. http://www.baby2see.com/development/week40.html
