As compared to the general population, twice the usual probability of schizophrenia has been correlated with:

Question

Quizplus · Accepted Answer

Research has shown that there is a correlation between Rh-negative mothers and Rh-positive baby boys with an increased risk of developing schizophrenia. This may be due to the presence of fetal cells that cross the maternal-fetal barrier during pregnancy and produce an immune response in the mother, which may alter the developing fetal brain and increase the risk of schizophrenia later in life. There is no significant association between schizophrenia and Rh factor in mothers or babies in any of the other choices.

As Compared to the General Population, Twice the Usual Probability