Trisomy X syndrome is a sex chromosome aneuploidy with a variable clinical presentation at different stages of life. We present two asyndromic females with primary infertility and features of premature ovarian failure (POF). The first case was a nonmosaic trisomy X with poor ovarian reserve on pelvic ultrasound and elevated gonadotropins. while the second case was a mosaic trisomy X w... https://www.opheliasmuse.com/