What Happens at 9 Weeks of Pregnancy?

I'm 9 weeks pregnant today. This is what our baby is doing...
Your new resident is nearly an inch long – about the size of a grape – and weighs just a fraction of an ounce. She or he is starting to look more and more human. All the 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 his or her tiny teeth. The embryonic "tail" is completely gone. 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. The eyes are fully formed, but the eyelids are fused shut and won't open until 27 weeks.
Your baby has tiny earlobes, and the mouth, nose, and nostrils are more distinct. Now that your baby's basic physiology is in place, he or she is poised for rapid weight gain.
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