administration vitamin b12 injections Injection Dosage for Adults: Guidelines Vitamin B12 Shot - Delaware:
Description
Proper Medical Screening and Supervision Consult a qualified healthcare provider to assess your medical history, current medications, and risk factors before starting injections

Therefore, parenteral cyanocobalamin should be administered to a pregnant woman if the benefits outweigh the risks (10, 11)
Vitamin B1, B6, B12

I do wonder if my pain perception was being dampened by the B12 deficiency and so now Im feeling pain more (period cramps are also worse now) but I guess Ill just have to learn to live with that