http://jcem.endojournals.org/cgi/content/abstract/94/1/74?etoc; 57f, 8-20y, TS; ovarian tissue laparoscopic Bx and cryopreserved: Bx feasible in 47; follicles present in: 15 of 57(26%); in 6 of 7 (86%) with mosaicism, in 6 of 22 (27%) with structural chromosomal abnmlties, in 3 of 28 (11%) with karyotype 45X; in 8 of 13 (62%) with spontaneous menarche; in 11 of 19 (58%) who had spontaneous puberty; highest yield in age group 12-16yr; with follicles more frequently normal FSH and anti-Mullerian hormone concentrations for age and pubertal stage;