Sex differences in early verbal and non-verbal cognitive development. Foetal testosterone and vocabulary size in and month-old infants. State Laws and Policies, as of May 1, He says he treats these cases with some caution and recommends counselling. Two-way ANOVAs were carried out on proportion scores to test the effects of age, sex and their interaction.
During atypical social development, foetal testosterone is also associated with the severity of autistic traits .
Sex selection: Getting the baby you want
A meta-analytic review of gender variations in children's language use: Moreover, the differences reported are not especially large or consistent throughout childhood . Under the Obama Administration, there was a notable shift in abstinence education funding toward more evidence-based sex education initiatives. The social profile of 3—4 year olds remained quite similar to that of 2—3 year olds, except that associative play became as frequent as solitary play and more frequent than parallel play. Among available peer play scales, we adapted the seminal Parten's  framework which covers the social spectrum of children's participation in peer play, with non-social activities: