Assertion: vitamin b12's deficiency | /r/CapableOf | supplement with vitamin b
Facets:
value: during pregnancy
type: TEMPORAL
Source sentences:
text: Olfactory impairment Peripheral neuropathy Maternal vitamin B 12 deficiency during pregnancy or while breastfeeding may lead to neural tube defects, developmental delay, failure to thrive, hypotonia, ataxia, and anemia.4,13–16 Women at high risk or with known deficiency should supplement with vitamin B 12 during pregnancy or while breastfeeding.4,14–16