Serum Total Vitamin B12 or Active Vitamin B12: Which is a Better Marker for Vitamin B12 Deficiency during Pregnancy? A Retrospective Cohort Study from South India

Background: Serum Vitamin B12 level is routinely analyzed using total Vitamin B12 assay. It can also be analyzed by active B12 assay. In this study, we compared the association of total and active Vitamin B12 levels with maternal medical complications associated with Vitamin B12 in pregnancy. Materi...

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Bibliographic Details

Published in:	Current Medical Issues
Main Authors:	Rosa Mariam Mathew, G. Jayakumar Amirtharaj, N. D. Varunashree, Maya Pavalasseril Ganeshan, Anuja Abraham, Swati Rathore, Pamela Christudoss, Gowri Mahasampath, Dheeraj Kattula
Format:	Article
Language:	English
Published:	Wolters Kluwer Medknow Publications 2025-07-01
Subjects:	active b12 holotranscobalamin total b12 vitamin b12 deficiency in pregnancy vitamin b12 markers
Online Access:	https://journals.lww.com/10.4103/cmi.cmi_20_25