Your baby is weighing in now at 1/2 ounce and measuring about 2 1/2 inches long. Most of his or her organs are fully formed, but there is still plenty of growing to do. The digestive system is starting to work, the bone marrow is making white blood cells and the brain is starting to produce much needed hormones.
Pregnancy Calculator
Pregnancy Calculator
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Pregnancy Milestone: Week 12
Discover how your baby is developing and how you are feeling.
3-D Ultrasound
2-D Ultrasound
You may be experiencing fatigue, frequent urination, nausea, heartburn, food cravings and aversions. You may notice fullness in your breasts and visible veins on your abdomen, legs and elsewhere as your blood supply pumps up. Your belly is getting a little rounder and your clothes are feeling snugger.