Oligospermia caused by-
Ans. is 'a' i.e., Methotrexate"Transient but reversible oligospermia has been repoed in males receiving high dose methotrexate for cancer chemotherapy".Defective oogenesis or spermatogenesis "Occurs in methotrexate therapy"
Methotrexate
Hydroxychloroq uine
Leflunomide
D-penicillamine