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12 Weeks Pregnant: What's Going On

Pregnancy week 12

Your little one has done a lot of growing recently. All the parts are there, from the pinky fingers to the little toes. Your gums may be more sensitive now. Find out more about pregnancy week 12.

Your Baby at 12 Weeks Pregnant

Nail works. Those little nail beds are sprouting nails, so stand by with the nail clipper. Many babies are actually born with long fingernails that need to be trimmed soon after delivery. 

Parts in place. The truly critical period for your little one's development is coming to a close. By the end of this week, all the body parts will be there; even the sex organs have developed (although it's too soon to determine whether you're carrying a girl or a boy).  

Lights out. By this week, the eyelids have formed and will close. They'll remain fused together until late into your second trimester. 

Measuring up. This week your little one weighs 0.3 to 0.5 ounce and measures around 2.5 inches.

Your Pregnancy at 12 Weeks

Feed me! As the nausea and discomfort of early pregnancy subside, you may find that you have your appetite back — and then some! This is the time when many women report feeling that "the baby is hungry." Be sure you're eating enough, but don't feel you actually need to eat for two. 

What's normal, what's not. As your blood volume increases to keep the fetus nourished, you may find that your gums are more sensitive and bleed when you brush or floss. This can be disconcerting, but it's normal. 

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