Couples screened

At risk couples

If no prevention

Coeff of consang (F)

Calculated

detected

/1,000 screened

Annual births, 1,000s

Affected births /1,000

Annual affected births

% carriers

b thal gene frequency

Ardebil

50,005

51

1.0

28.9

0.3

7

0.007

2.5

0.013

Boushehr

39,900

250

6.3

14.6

1.6

23

0.023

5.7

0.028

Charmahal & Bakhtiari

35,746

152

4.3

17.7

1.1

19

0.023

4.4

0.022

E Azerbayejan

139,493

76

0.5

67.4

0.1

9

0.007

1.7

0.009

Esfahan

208,209

600

2.9

62.7

0.7

45

0.013

4.0

0.020

Fars

206,494

1,417

6.9

69.1

1.7

119

0.013

6.7

0.034

Gilan

124,620

766

6.1

35.6

1.5

55

0.023

5.6

0.028

Golestan

50,055

175

3.5

26.9

0.9

24

0.023

3.9

0.019

Hamadan

79,865

54

0.7

28.8

0.2

5

0.013

1.6

0.008

Hormozgan

28,107

385

13.7

28.7

3.4

98

0.023

9.0

0.045

Ilam

13,874

90

6.5

9.2

1.6

15

0.023

5.9

0.029

Kerman

78,617

880

11.2

50.2

2.8

140

0.013

9.5

0.048

Kermanshah

76,902

171

2.2

32.6

0.6

18

0.016

3.3

0.017

Khoresan

352,056

280

0.8

126.7

0.2

25

0.013

1.7

0.009

Khouzestan

150,847

1,289

8.5

95.2

2.1

203

0.016

7.4

0.037

Kordestan

54,765

91

1.7

26.4

0.4

11

0.023

2.3

0.012

Koyghiloyeh & Boyerahmad

18,631

124

6.7

13.7

1.7

23

0.023

5.9

0.029

Lorestan

69,083

136

2.0

36.0

0.5

18

0.023

2.6

0.013

Markazi

48,370

62

1.3

20.0

0.3

6

0.013

2.5

0.012

Mazandaran

149,006

1,811

12.2

41.9

3.0

127

0.023

8.0

0.045

Qazvin

50,926

77

1.5

16.7

0.4

6

0.013

2.7

0.014

Qom

41,379

58

1.4

15.8

0.4

6

0.013

2.6

0.013

Semnan

24,044

60

2.5

8.0

0.6

5

0.013

3.6

0.018

Sistan & Balochistan

33,179

414

12.5

58.5

3.1

183

0.023

8.5

0.043

Tehran

407,918

616

1.5

169.2

0.4

64

0.023

1.9

0.009

W Azerbayejan

112,374

45

0.4

55.0

0.1

6

0.016

1.0

0.005

Yazd

42,124

27

0.6

13.1

0.2

2

0.013

1.5

0.008

Zanjan

43,807

141

3.2

17.1

0.8

14

0.007

4.9

0.024

Iran

2,730,396

10,298

3.8

1186

0.9

1,118

4.1

0.020