Novel and recurrent TUBB8 variants cause irreversible meiotic spindle defects and refractory ART failure in Chinese women with oocyte maturation arrest.
Routine TUBB8 genetic screening is supported as a valuable diagnostic tool for unexplained recurrent OMA, facilitating early diagnosis, avoidance of futile ART cycles, and personalized reproductive counseling and expands the pathogenic mutational spectrum of TUBB8.