at least 80% of children affected by ds are born from mothers under the age of 35, despite women over the age of 35 being deemed to be at higher risk of having a child with ds.

ubunci nane i80% yabantwana aba chatshazelwe yids bazalwa ngoomama abangaphantsi kweminyaka engama35, ngaphandle kwabasetyhini abangaphezulu kweminyaka engama35 bathathwa nje ngabasemngciphekweni ophezulu wokuba nomntwa na onedown syndrome .
