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Your Pregnancy Week by Week: Weeks 9-12

9 Weeks Pregnant

Baby: The embryo measures about 0.9 inches to 1.2 inches from crown to rump, or the size of a strawberry. The arms and legs are longer, and the fingers might be a little swollen where the touch pads are forming. The head is more erect and neck is more developed. Your baby now moves its body and limbs, and this movement can be visible during an ultrasound, but you won't be able to feel it yet.

Mom-to-be: Your uterus is continuing to grow, and you may begin to see your waistline thickening. But unless you tell people the good news, your pregnancy still won't be noticeable to others. Weight gain is still small, if at all, since you could be experiencing food aversions, cravings, heartburn, indigestion, nausea and bloating. Mood swings and weepiness similar to PMS symptoms are common, too.

Tip for the Week: Eat plenty of foods that contain calcium -- such as cheeses, sardines and broccoli -- to provide sufficient calcium for the development of your baby's teeth and bones.

10 Weeks Pregnant

Baby: Congratulations! Your baby is now officially called a "fetus." It looks a little like a medium shrimp, measuring 1.25 to 1.68 inches from crown to rump, and weighing a little less than two-tenths of an ounce. You might be reassured to know that most physical malformations, when they occur, have occurred by the end of this week, so the most critical part of your baby's development is safely behind you. But other developmental processes, such as those affecting behavior and intelligence, will continue throughout pregnancy. Eyes are covered by skin that will eventually split to form eyelids.

Mom-to-be: You still probably don't show, but you may be wearing looser clothes. You may even be starting to eye maternity clothes, although you probably still don't need them. You may continue to feel tired and moody, but take heart: These symptoms shouldn't last too much longer.

Tip of the Week: If you're going to have chorionic villus sampling (CVS), a prenatal test used to detect genetic defects such as Tay-Sachs, sickle cell anemia, most types of cystic fibrosis and Down syndrome, it will probably be scheduled between now and 12 weeks.

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