Appl Transl Genom
[42] Low maternal vitamin B 12 , defined as serum concentration less than 148 pmol/L, increases the risk of miscarriage, preterm birth and newborn low birth weight
Not all patients qualify, and prescriptions are not guaranteed
Monitoring, Labs, and Outcome Tracking Baseline labs typically include serum B12, methylmalonic acid (MMA), and homocysteine
( Unfortunately, this symptom of B12 deficiency overlaps with symptoms related to diabetic neuropathy nerve damage caused by high blood sugar that can cause pain and numbness in the extremities ( People with diabetes taking metformin are at a higher risk of developing B12 deficiency because this medication can reduce vitamin B12 absorption in the body ( So, a B12 deficiency could be misdiagnosed as peripheral neuropathy in people with diabetes
Here are the realworld risk gaps: No standard dose or formulation Humans in papers got 20 mg IV in a pilot, but many online vendors sell subcutaneous vials without clear dosing guidance