With early diagnosis and coordinated lifelong care, most individuals with Turner syndrome have a normal life expectancy and can lead full, independent lives. Prognosis depends heavily on several factors:

Cardiac status: The presence and severity of congenital heart defects, particularly aortic abnormalities, is the single most important determinant of long-term survival and requires regular imaging follow-up
Timely hormone therapy: Growth hormone therapy in childhood can meaningfully improve final adult height, and oestrogen replacement initiated at the appropriate age supports pubertal development, bone health, and cardiovascular protection
Fertility planning: While natural conception is uncommon, assisted reproductive techniques including donor egg programs allow many individuals to carry pregnancies, though pregnancy in Turner syndrome carries elevated cardiovascular risk and requires specialist supervision
Associated condition management: Regular screening for thyroid disease, celiac disease, hearing loss, kidney abnormalities, and metabolic risk factors allows early intervention and prevents complications from compounding over time
Psychosocial support: Addressing learning differences and social or emotional needs during school years contributes meaningfully to quality of life and long-term wellbeing

Overall, Turner syndrome is best understood as a manageable, lifelong condition rather than a limiting diagnosis, with outcomes that have improved considerably as multidisciplinary care models (endocrinology, cardiology, gynecology, and genetics working together) have become more established. A consultation with a geneticist will help you know more.