36 months, with success translating to a registrar's promotion to a Senior Registrar. The second examination holds after another period of a minimum of 24 months to 36 months, where the resident is expected to produce a thesis and be involved in the training of junior residents and medical students. He then becomes a fellow at the training's expiration and is expected to exit the training program six months after passing the final examination. He may be appointed a Consultant at the same institution if vacancies exist or at another facility. The duration of residency training varies according to specialty but ranges from five to seven years. The examinations hold twice a year for each of the colleges; May/September for the National Postgraduate Medical College and April/October for the West African College of Physicians (or Surgeons). The training colleges also organize revision course and update courses which are prerequisites for participating in the college examinations. Examples of accredited centres NORTH - EAST GEOPOLITICAL ZONE 1. Federal Medical Center, Gombe 2. Federal Medical Center, Azare 3. Federal Medical Center, Jalingo 4. Federal Medical Center, Nguru 5. Federal Medical Center, Yola 6. Abubakar Tafawa Balewa University Teaching Hospital, Bauchi 7. Federal Neuro-Psychiatric Hospital (FNPH), Maiduguri 8. University of Maiduguri Teaching Hospital (UMTH), Maiduguri NORTH - CENTRAL GEOPOLITICAL ZONE 1. Federal Medical Center, Keffi 2. Federal Medical Center, Bida 3. Federal Medical Center, Jabi 4. Federal Medical Center, Makurdi 5. Federal Medical Center, Lokoja 6. Association of Resident doctors (ARD), Nassarawa 7. University of Ilorin Teaching Hospital (UITH), Ilorin 8. University of Abuja Teaching Hospital, Gwagwalada 9. Benue State University Teaching Hospital (BSUTH), Makurdi 10. National Hospital, Abuja 11. Jos University Teaching Hospital (JUTH), Jos 12. Kogi State Specialist Hospital (KSSH), Lokoja NORTH - WEST GEOPOLITICAL ZONE 1. Aminu Kano Teaching Hospital, Kano 2. Federal Medical Center, Katsina 3. Federal Medical Center, Gusau 4. Federal Medical Center, Kebbi 5. Federal Medical Center, Birmin Kudu 6. Ahmadu Bello University Teaching Hospital (ABUTH), Zaria 7. Uthman Danfodiyo University Teaching Hospital. Sokoto 8. National Orthopaedic Hospital, Dala 9. Federal Neuro-Psychiatric Hospital (FNPH),Sokoto 10. Federal Neuro-Psychiatric Hospital (FNPH), Kaduna 11. National Eye Center, Kaduna 12. National Ear Care Centre, Kaduna SOUTH - WEST GEOPOLITICAL ZONE 1. Lagos University Teaching Hospital (LUTH), Lagos 2. Obafemi Awolowo University Teaching Hospital (OAUTHC), Ile-ife 3. Federal Teaching Hospital, Iddo 4. Ekiti State University Teaching Hospital, Ekiti 5. Federal Neuro-Psychiatric Hospital (FNPH),