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Conclusion Within a specific range (358.7 pg/mL), serum vitamin B12 levels may modestly contribute to improved clinical pregnancy rates in women undergoing IVF-ET with the follicular-phase GnRH agonist protocol, though further validation is required to confirm its clinical significance

Another aspect considered by a healthcare provider before prescribing an adequate vitamin B12 dosage is your present medical state and your nutritional intake

If neurological symptoms are present (such as paraesthesia, ataxia, cognitive changes, or visual disturbances), more intensive treatment is required

Results & Treatment Timeline Some patients notice improved energy and wellness within 24 to 72 hours after treatment

Each boxplot represents one biologic replicate (that is, mouse), with the cages indicated as described by the authors of the original study

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