can b12 injections bring on periods

https://parrox.co/cdn/shop/files/PX_DEIONIZED-WATER_8PK_MainImages_v2_38cff355-7f3c-46f3-9b17-0497912cd7ab.jpg?v=1771097743&width=1946 How to self-inject intramuscular vitamin B12 - Overview | Guy's and St Thomas' NHS Foundation Trust conditioner Pregnant or breastfeeding patients should discuss with their obstetric provider before starting this injection, and ensure all healthcare team members are aware, so that vitamin levels and any pregnancy-related effects can be monitored appropriately Amount:5mg

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