A basic semen analysis is the main test advised for all males.
If required we also go for quality semen analysis, sperm survival test.
Males suffering from more severe problems can also undergo DNA fragmentation test
Blood tests like TSH, PROLACTIN, FSH, LH, Testosterone, SHBG, HIV, HCV, HBSAG, VDRL are also done.
If required Ultrasound of the Scrotum and Testes is also done.