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During the 5th week of pregnancy, the baby is just over a Millimeter long. Vital organs are continuing to develop and the central nervous system, muscles, bones and even the heart will begin to form. Early skeletal development is also possible.

Some women will start feeling nauseous at or around the fifth or sixth week of pregnancy. You may have to urinate more frequently, and have tender breast. The most common symptom at this time of the week is fatigue.

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16y ago

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