Ans. is 'c' i.e., Male sex is a poor prognostic factor * The schizophrenia starts in late adolescent and early adult (15-25 years). Men and women have an equal lifetime risk for schizophrenia. However, schizophrenia tends to strike women 3-4 years later than men. Most men develop schizophrenia between 15 and 25 years of age. For women the period of maximum onset is between 15 and 30 with a smaller peak between 45 and 50 (after menopause).* Women tend to have milder forms of the disease in their younger year than their male counterparts.* Early age of onset (<20 years of age) & male sex are considered poor prognostic factors where as late age of onset (>35 years of age) 8c female sex are considered good prognostic factors.