Hormonal Changes. The most likely causes are a combination of pressure from the baby and hormonal changes, that will lead to lower leg swelling and leg discomfort.
We don't know. We really don't know the answer to this question. It is not dangerous or a sign of anything bad happening. It is also not because of a mineral deficiency.
Nutrient deficiency. Iron requirements increase 3-4 fold and folate (folic acid) requirements increase 8-10 fold during pregnancy. Deficiency of these nutrients is associated with restless legs and supplementation is often beneficial. 80% of women not supplementing with folate (folic acid) had restless legs vs. 9% who supplemented! More information on this can be found at http://www. Thorne. Com/altmedrev/.Fulltext/12/2/101.Pdf.