Duckling This way lies madness! Your daughter is fine, her other child/children are fine. Certainly the fact that 2 of her children have the same problems does seem to suggest that something genetic has affected them both but that genetic factor could equally have come from their father' side.
I know we all try to look for reasons and causes for difficulties, while being quite happy to claim, without any factual justification, credit for our DGC's good looks, brains, sporting prowess. In this case the drug has been banned. There is nothing further that can be done. Best to put this worry out of your mind and not dwell on it. Searching for answers will not affect their progress, nor diminish in any way the love you have for your DGC, nor give you peace of mind.
Churchill to be axed from British banknotes in the name of diversity.


