http://www.w3.org/ns/prov#value | - Maternal recall may be influenced by previous negative or positive reproductive experiences Parity (number of pregnancies) may affect recall of exposurePaternal psychiatric history not discussed, but is also a risk factor for behavioural problems in childrenNo discussion of breast feedingAbuse of alcohol and other psychotropic drugs not investigatedExposure to ionising radiation e.g. X-rays not as
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