Week 9: What's happening this week

Our baby is nearly an inch long — barely the size of a grape — and weighs just a fraction of an ounce, but is poised for rapid weight gain now that his basic physical structure is in place. Little Mc's embryonic tail is completely gone, and the development of his body parts — including organs, muscles, and nerves — is kicking into gear. His eyelids are fused shut and won't open until 27 weeks. Little Mc's upper lip is fully formed, and his mouth, nose, and nostrils are more distinct. Your baby's sex organs are present now but won't be discernable as male or female for another few weeks.

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