These two things combined less vitamin B12 transferred to the baby during gestation and via breast milk put the baby at risk for a vitamin B12 deficiency
Worsening macrocytic anemia : B 12 deficiency may also cause a macrocytic (megaloblastic) anemia BUT, in the presence of folate supplementation, this anemia may be masked so that B 12 deficiency may present with exclusively neurologic features
These factors include a genetic family history of the condition, infections or illnesses that trigger the condition, and events that are physically or emotionally traumatic, such as an accident or prolonged stress
Good dietary sources include meat, poultry, fish, eggs, and dairy foods. Vegetarians, vegans, and people with limited intake of animal products often rely on fortified foods such as plantbased milks, breakfast cereals, or nutritional yeast, but these may not fully meet daily needs in every case