Causes of Infertility - What Couples Need to Know | Dr. D Narayana Reddy | Sexology Doctor Chennai **WATCH VIDEO ON FIRST COMMENT** Dr D Narayana Reddy explains the common causes of male infertility and highlights the main factors affecting fertility in couples. Sexologist Doctor and Sexology Clinic & Treatment Center in Chennai, South India. #Sexologist #DegaInstitute #MaleInfertility #FertilityAwareness #MensHealth #HealthyLifestyle #DrNarayanareddy #InfertilityCauses #ReproductiveHealth #SpermHealth #FertilityTips #bedsideinsights