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A vitamin B12 level of less than 200 pg/mL is considered deficient. Treatment First, have your health care provider run blood tests to see if you truly have a B12 deficiency.
In women aged between 19 and 64 years, the mean serum vitamin B 12 concentration was slightly lower than men (298 pmol/L), with 3.3% having low vitamin B 12 concentrations < 150 pmol/L. [162] In Germany, a national survey in 1998 was conducted in 1,266 women of childbearing age.
Serum vitamin B 12 is a medical laboratory test that measure vitamin B 12 only in the blood binding to both transcobalamins. [1] Most of the time, 80–94% of vitamin B 12 in the blood binds to haptocorrin, while only 6–20% is binds to transcobalamin ll. [2] Only transcobalamin ll is "active" and can be used by the body. [1]
Neuropsychiatric symptoms can precede hematological signs and are often the presenting manifestation of the disease. [55] Vitamin B 12 serum levels are used to detect its deficiency, but do not distinguish its causes. Vitamin B 12 levels can be falsely high or low and data for sensitivity and specificity vary widely.
Folate levels in the individual may affect the course of pathological changes and symptomatology of vitamin B 12 deficiency. Vitamin B 12 deficiency in pregnant women is strongly associated with an increased risk of spontaneous abortion, congenital malformations such as neural tube defects, and problems with brain development growth in the ...
Over time, a deficiency of B12 can cause problems with balance, confusion, depression, poor memory and possibly dementia, and it can even cause permanent damage to the nervous system, Somers says.
The study, which involved 106 peri- and postmenopausal women and was presented at the Endocrine Society’s annual meeting in May, indicates women should self-monitor their vasomotor symptoms and ...
Hypervitaminosis is a condition of abnormally high storage levels of vitamins, which can lead to various symptoms as over excitement, irritability, or even toxicity. Specific medical names of the different conditions are derived from the given vitamin involved: an excess of vitamin A, for example, is called hypervitaminosis A.