Dr. Vilvapathy S Karthikeyan is a Microsurgical Andrologist practising at Apollo Hospitals, Chennai as a Consultant Lead for Andrology, Male Infertility & Men's Health and Urology. His area of expertise comprises Erectile Dysfunction and Premature Ejaculation (including Peyronie disease and penile implants), delayed pass out of semen, male infertility (including microsurgical varicocelectomy and microdissection testicular sperm extraction for azoospermia), low testosterone associated with ED/infertility, chronic testis pain/ pain during passage of semen/ sensation of incomplete urine passage, fertility associated with cancers and sperm cryopreservation, and Men's Health and premarital Men's Health Check.