ABSTRACT

A characteristic feature in Turner’s syndrome is ovarian failure.1 Girls with Turner’s syndrome have normal numbers of primordial follicles in their ovaries up to the middle of the fetal period. These numbers then start to diminish, but some 40% of Turner women have at least some oocytes remaining as they enter early childhood and the teenage years.2-4 Positive predictors for having residual ovarian follicles at puberty are a mosaic karyotype, spontaneous onset of puberty, and normal serum concentration of follicle-stimulating hormone (FSH) and anti-Mullerian hormone (AMH).1