| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (66 reviews) | Katowice, Poland | — | — | Cryopreservation of sperm, Testicular sperm extraction (TESE) | — | — | International Organization for Standardization, TÜV AG Сompany Research & Investing Certificate | |
| #2 | 4.7 / 5 (77 reviews) | Warsaw, Poland | 16+ years | Testicular Biopsy | — | — | Certification according to DIN EN ISO 9001 by TÜV NORD CERT, FIFA Medical Center of Exellence |