TY - JOUR T1 - Long term follow up of children born to mothers with periconceptional multivitamin supplementation JF - Archives of Disease in Childhood JO - Arch Dis Child SP - 183 LP - 183 DO - 10.1136/adc.77.2.183 VL - 77 IS - 2 AU - MÁRTA DOBÓ AU - ANDREW E CZEIZEL Y1 - 1997/08/01 UR - http://adc.bmj.com/content/77/2/183.1.abstract N2 - Editor,—Before recommending periconceptional folic acid-containing multivitamin supplementation universally for the prevention of neural tube defects one would also want to be sure that it was doing no harm. A UK study showed the over-representation of worries and anxiety among children at age 7–10 years born to mothers with periconceptional multivitamin supplementation.1 In our previous study based on a short term postnatal follow up of 3356 infants (mean age 11 months) born to mothers supplemented with multivitamin or placebo-like trace element2 in the periconceptional period, the results of the tests of mental and behavioural development were similar in … ER -