Low maternal vitamin B-12 is a risk factor for neural tube defects

The meta-analysis included 1566 controls and 567 cases. Having a low maternal B12 status increased the chances of the fetus developing neural tube defects by 2.41 times.

Vitamin B-12 can be found in PM Procare (pregnancy & breastfeeding formula) and PM LifeproMax for Women (sexual health, performance and wellbeing formulation)

Reference
Wang, Z., X. Shang, and Z. Zhao, Low maternal vitamin B(12) is a risk factor for neural tube defects: a meta-analysis. J Matern Fetal Neonatal Med, 2011.