No. of cases Biological samples Karyotype % mosaicism Mean age of each group Clinical information
7 Pb 45,X 0 7.4 Clinical suspicion of TS
33 Pb 45,X/46,XX     5-10% 33.5 Infertility /primary amenorrhea / gonadal dysgenesis
1 Pb 45,X/46,XX     n.a. n.a. Diagnosis unknown
19 Pb 45,X/46,XX     >10% 32.5 Infertility / short stature
7 Pb 45,X/47,XXX/46,XX 5-10% 35 Infertility
1 Pb 45,X/47,XXX/46,XX n.a. n.a. Diagnosis unknown
4 Pb 45,X/47,XXX/46,XX >10% 38 Infertility / poor development puberty
1 Pb 45,X,inv(21)(p12q22.1)/47,XXX,inv(21) (p12q22.1)/46,XX,inv(21) (p12q22.1) 13,70% 36 Family history with trisomy 21
1 Pb 45,X/46,X,der(X) 0 11 Clinical suspicion of TS
1 Pb 46,X,inv(X)(p22.1q13) 0 29 Infertility
1 Pb 46,X,?dup(X)(q25q27) 0 10 Diagnosis unknown
1 Pb 46,X,?dup(X)(q26) 0 38 Difficulty in learning
1 Pb 46,X,del(X)(p11.2) 0 11 Short stature
2 Pb 46,X,del(X)(q24)  0 32.5 Infertility
1 Pb 46,X,inv dup del (X) (qter --->q24 :: p22.1 --->qter) 0 34 Infertility
2 Af 45,X 0 34 Cystic hygroma / Increased  nuchal translucency / maternal triple screening / intra uterine growth restriction
3 Ft 45,X 0 30.5 Fetal death after 12 weeks gestation
1 P 45,X 0 27 Cystic hygroma
1 Gt 45,X 0 3 Gonadal dysgenesis
10 Of 45,X 0 33.4 Recurrent abortions
Pb: Peripheral blood; AF: Amniotic Fluid; Ft: Fetal tissue; P: Placent; Gt: Gonadal tissue; Of: Ovular fragments
Table 2: Biological samples studied and their karyotype