Table 1: Common types of hemoglobinopathies in various parts of Iran.

Area -Chain variants -Chain variants -Thalassemia -Thalassemia

Northern Iran
 Gilanα 3.7 kb (42.5%)IVS II-1 G : A (52.4%)
 Mazandaranα 3.7 kb (44.9%)IVS II-1 G : A (62.1%)
 GolestanIVS II-1 G : A (33.3%)
Northwestern Iran
 East Azerbaijan and ArdabilIVS II-1 G : A (21%)
 West AzerbaijanIVS II-1 G : A (35%)
Northeastern Iran
 KhorasanCD 8/9 +G (62.5%)
Central Iran
 IsfahanHb SIVS II-1 G : A (20.5 and 28%)
Southwestern Iran
 FarsHb Sα 3.7 kb (71.7%)IVS II-1 G : A (24, 31 and 47.8%)
 KhuzestanHb S
Hb D-Punjab
α 3.7 kb (62.6%)CD 36/37 –T (20.5%)
IVS II-1 G : A (20%)
Western Iran
 Kermanshah
Hb Q-Iran
Hb Setif
Hb D-Punjab
IVS II-1 G : A (33%)
 KurdistanIVS II-1 G : A (35%)
 LorestanCD 36/37 –T (33.8%)
IVS II-1 G : A (27.7%)
Southern Iran
 Hormozganα 3.7 kb (79.1%)IVS I-5 G : C (69%)
Southeastern Iran
 Sistan-BalouchestanIVS I-5 G : C (87.2%)
 Kermanα 3.7 kb (83.8%)IVS I-5 G : C (66.2%)
Iranians (with different ethnicity)α 3.7 kb (60.2%)IVS II-1 G : A (34%)