Children conceived in winter have a greater risk of autism, study finds

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http://www.sciencedaily.com/releases/2011/05/110505091240.htm

ScienceDaily (May 4, 2011) --- An examination of the birth records of

the more than 7million children born in the state of California during

the 1990s and early 2000s has found a clear link between the month in

which a child is conceived and the risk of that child later receiving a

diagnosis of autism....

not open access:

Ousseny Zerbo, Ana- Iosif, Lora Delwiche, Cheryl , Irva

Hertz-Picciotto. *

Month of Conception and Risk of Autism*. /Epidemiology/, 2011; 1

DOI: 10.1097/EDE.0b013e31821d0b53

<http://dx.doi.org/10.1097/EDE.0b013e31821d0b53>