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" Get all the vitamins you need. You don&amp;#039;t need to count every milligram of every nutrient of every food you eat. But you do need to take a good daily prenatal vitamin, especially right now. Make sure it includes folic acid (400 micrograms) as this nutrient helps prevent spina bifida, which happens when the neural tube\u2014a structure that encases the spinal cord\u2014doesn&amp;#039;t fully close. Incomplete closure can happen near the neck or the buttocks and lead to walking problems. Because the spinal cord fuses early on, folic acid is critical in the first six weeks of development\u2014a time when many women might not even know they&amp;#039;re pregnant. Find out which other vitamins you need. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.redbookmag.com/body/pregnancy-fertility/a5588/five-weeks-pregnant/>