She did have a chromosome test done on the off chance that they would find a recessive gene. Which they didn't. My daughter and I attended a Neural Tube defect seminar in Houston, Texas last year. One researcher who's study will be complete soon is doing exactly that. My daughter was not taking folic acid prior to the conception of my first Grandson who had anencephaly, and she was not taking it prior to the conception of my second Grandson, who was born very healthy.
Environment has to play a big part in prevention.
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