Table 1.

Frequency distribution of pericentric chromosome 9 inversion

Karyotype of females	Cases	Karyotype of males	Cases	Sum
46,XX,inv(9)(p12;q13)	45	46,XY,inv(9)(p12;q13)	41	86
46,XX,inv(9)(p12;q22)	2	46,XY,inv(9)(p12;q22)	1	3
46,XX,inv(9)(p13;q13)	2	46,XY,inv(9)(p13;q13)	6	8
46,XX,inv(9)(p13;q22)	4	46,XY,inv(9)(p13;q22)	5	9
		46,XY,inv(9)(p22;q22)	1	1
Total	53		54	107