Table 1.

Chromosomal abnormalities observed in the primary amenorrhea cases

Total number of primary amenorrhea cases	Cytogenetic category		Karyotype	Number of cases (%)
174	Normal 151 (86.78%)		46,XX	151 (86.78)
	Total abnormalities: 23 (13.22%)	XY female (sex reversal)	46,XY	10 (5.74)
		Numerical abnormality of X (trisomy of X chromosome)	47,XXX	1 (0.57)
		Turner	45,X	6 (3.44)
		Mosaic turner with numerical aberration of X	45,X/47,XXX	1 (0.57)
		Turner with structural abnormality of X	46,X, mar (X)	1 (0.57)
		Mosaic turner with structural abnormalites of X	45,X/46,X,dic(X)	1 (0.57)
			45,X/46,X,i(Xq)	1 (0.57)
		Inversion	46,XX,inv(9)	1 (0.57)
		Mosaic XY female	45,X/46,XY	1 (0.57)