I had 4 ultrasounds. First one was to check for multiples, as my daughter is an IVF baby, second one was standard, third one was to check for abnormalities, at 20 weeks, and 4th one was because I had a small bleed, late in my pregnancy.
But, my mum had none and I'm probably on the spectrum, my gran had none and my mum is probably on the spectrum and my great-grandmother had none and my gran was probably on the spectrum. So, do I think ultrasounds cause autism? No
PS The correct spelling of Asperger's is at the top of your screen, under the WrongPlanet.net logo.
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"We act as though comfort and luxury were the chief requirements of life, when all we need to make us really happy is something to be enthusiatic about." Charles Kingsley