The body needs vitamin D to maintain adequate levels of calcium and phosphorus, which help to strengthen the bones of the baby and cloves. A deficiency of vitamin D during pregnancy can cause delayed growth and skeletal deformities; as well as low weight at birth.
In the pregnancy, the lack of vitamin D can cause deficiency of vitamin A in the baby upon being born, with consequences as the rickets; abnormal growth of the bone and physical development retarded. The deficiency of vitamin D during the embarrassment, can affect the bony development and the immune function since the birth to the adult age.
A deficiency of vitamin D has also been linked to increased risk of complications during pregnancy, including preeclampsia, and a greater likelihood of needing a cesarean, also prevents autoimmune diseases such as type 1 diabetes, multiple sclerosis, and rheumatoid arthritis; also osteoarthritis , cancer, gum disease and high blood pressure.
It is recommended that pregnant women every day take 200 IU of vitamin D, if not exposed to adequate sunlight. The food sources of vitamin D found in fish liver oil, fatty fish and fortified milk, eggs and grains: also in some cheeses, yogurts.
Pregnant women are not in a good position to meet their needs for vitamin D through sunlight that exposure to the ultraviolet rays of the same can bring about changes in the irregular pigmentation causing, in turn, darkening of the skin in pregnant women, so it is advisable to protect from the sun.
There are other factors which can put at risk of vitamin D: deficiency excess weight, steroid medications, anticonvulsants, medications to lower the colesteroly diuretics and intestinal malabsorption, celiac disease and Crohn’s disease.