Fellow Health Inc.

Fellow Health Inc. is a CLIA-certified diagnostic laboratory specializing in mail-in semen analysis and reproductive health testing. The company provides clinical-grade semen analysis, vasectomy post-procedure testing, and sperm cryopreservation services to over 3,000 clinics, including urology and reproductive endocrinology practices. Fellow's proprietary testing methodology has been peer-reviewed and validated to deliver clinically accurate results comparable to fresh samples analyzed within one hour, with turnaround times under 2 business days from specimen receipt. The service addresses compliance barriers in post-vasectomy semen analysis testing, achieving 86% compliance rates—significantly higher than industry standards—by offering patients a convenient, privacy-preserving home-based collection option. Fellow operates a CLIA-certified (#05D2177822) and COLA-accredited (#31245) laboratory and has processed over 225,000 samples. The company conducts peer-reviewed research into male reproductive health factors and seminal fluid diagnostics, publishing in journals including Fertility and Sterility and Journal of Urology. Markets served include high-volume vasectomy providers, urologists, reproductive endocrinologists, and OB/GYNs. The testing platform is designed to reduce clinic call volume related to results communication and improve patient satisfaction (93% reported satisfaction).