Tuesday, December 30, 2008

We're 9 weeks

We have some accomplishments! We're no longer an embryo, we have entered the fetal period. Not only that the embryonic "tail" is completely gone.

Your new resident is nearly an inch long (about the size of a grape) and weighs just a fraction of an ounce. She's starting to look more and more human. Her essential body parts are accounted for, though they'll go through plenty of fine-tuning in the coming months. Other changes abound: Your baby's heart finishes dividing into four chambers, and the valves start to form — as do her tiny teeth. The embryonic "tail" is completely gone (YES!). Your baby's organs, muscles, and nerves are kicking into gear. The external sex organs are there but won't be distinguishable as male or female for another few weeks. Her eyes are fully formed, but her eyelids are fused shut and won't open until 27 weeks. She has tiny earlobes, and her mouth, nose, and nostrils are more distinct. The placenta is developed enough now to take over most of the critical job of producing hormones. Now that your baby's basic physiology is in place, she's poised for rapid weight gain.

Next week, January 6th, we get another peak at our little one. There has been a lot of changes in the last 3 weeks so I'm dying to see what Baby H looks like. So stay tuned for an updated ultrasound pic.

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