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Week 5
*Deep in your uterus your embryo is growing at a furious pace.
* At this point, he's about the size of a sesame seed, and he looks more like a tiny tadpole than a human.
*He's now made up of three layers — the ectoderm, the mesoderm, and the endoderm. -
Week 8
- Webbed fingers and toes are poking out from your baby's hands and feet, *breathing tubes extend from his throat to the branches of his developing lungs *his "tail" is just about gone.
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Week 11
*His hands will soon open and close into fists,
*tiny tooth buds are beginning to appear under his gums,
*some of his bones are beginning to harden. -
Week 14
*Your 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 urine, which he releases into the amniotic fluid around him . -
Week 20
*He's swallowing more these days
*Your baby weighs about 10 1/2 ounces
*He's also around 6 1/2 inches long from head to bottom -
Week 23
*With his sense of movement well developed by now, your baby can feel you dance
*he weighs just over a pound
*Blood vessels in her lungs are developing to prepare for breathing -
Week 27
*this week, your baby weighs almost 2 pounds
*he's sleeping and waking at regular intervals
* your baby's brain is very active now -
Week 30
*his eyesight continues to develop
*he weighs almost 3 pounds
*he can only make out objects a few inches from her face -
Week 34
*his fat layers are filling out
*his central nervous system is maturing
*his lungs are continuing to mature -
Week 39
*He continues to build a layer of fat to help control his body temperature after birth
*weighs a bit over 7 pounds
*new skin forms underneath