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Kalra, B., Kalra, S
The detrimental effects of B12 deficiencysuch as hyperhomocysteinemia and impaired methylationare well-established and can negatively impact oocyte quality and embryo viability [19, 20], which is consistent with the lower pregnancy rates we observed at low B12 levels
Many people turn to vitamin B12 injections to address deficiencies, but an important question remains: how long does B12 stay in the body after an injection, and how long do its benefits last
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