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The Mid Embryo
•Weeks 6 - 7 of pregnancy (gestational age) ◦Arm and leg buds become visible.
◦The brain develops into five areas and some cranial nerves are visible.
◦The eyes and ear structures begin to form.
◦Tissue forms that develops into the vertebra and some other bones.
◦The heart continues to develop and now beats at a regular rhythm.
◦Rudimentary blood moves through the main vessels. -
Week 9
◦Nipples and hair follicles form.
◦Elbows and toes are visible.
◦All essential organs have begun to form.
Fingerprints are already evident in the skin -
Week 12
Responsible for cleansing the blood, storing nutrients, and providing needed chemicals
Ears shift to their normal place on the side of the head at week 12 of your pregnancy
vocal cords begin to form -
Week 15
toenails and fingernails are beginning to grow, along with this eyebrows and head hair. Bones in his middle ear are beginning to harden, but his hearing has not yet fully developed. Sweat glands are begging to form, as well as taste buds. -
Week 19
I got it fromIf baby is female the uterus starts to develop, the vagina, uterus, and fallopian tubes are in place. Females have a limited supply of eggs in their lifetime. At this point your daughter will have 6 million eggs. This amount decreases to approximately one million by birth. If it's a boy, the genitals are distinct and recognizable. Even if the sex looks obvious, ultrasound operators have been known to make mistakes. -
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.
•The child can successfully suck.
•Bones located in the middle ear harden. -
Week 25
.•The unborn child is 34 cm in length and weighs almost 690 grams.
•Baby is around 13.5 inches in length and weighs 1 and half pounds.
•Bones are becoming solid, hands are now fully developed.
•The brain is growing rapidly, the brain cells are starting to mature.
•The sexual organs are fully developed. -
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.
•In boys, the testicles will be descending from the groin down into his scrotum. -
Week 33
.The baby is using it's lungs to practice breathing by inhaling amniotic fluid. Your baby is drinking about a pint of amniotic fluid a day now and urinating the same amount. The early baby fuzz, lanugo, is disappearing now and being replaced by actual hair. The nails of your baby are now long enough to reach to the tip of the fingers or beyond and may need trimming as soon as they are born. -
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.
