Which of the following is true about a mother's nutritional status during pregnancy? (select all that apply) 1) Mom needs appropriate nutrition to support the growth and development of the fetal cells, brain, bones and muscles 2) Mom's nutritional status BEFORE becoming pregnant has no effect on the health of either mom or baby during or after pregnancy 3) Mom needs appropriate nutrition to support expanding mass of red blood cells 4) Mom needs appropriate nutrition to support the growth and development of the placenta 5) Mom should eat whatever she wants, because mom is "eating for two" 6) Mom's nutritional status BEFORE becoming pregnant can determine the health of both mom and baby during pregnancy and beyond