Down's syndrome the calculated risk for trisomy 21 is above the cut off which represents an increased risk.After the result of the trisomy 21 test it is expected that among 231 women with the same datai there is one woman with a trisomy 21 pregnancy and 230 women with not affected pregnancies.The hcg level is high.The calculated risk by prisca depends on the accuracy of the information provided by the referring physician please note that risk calculations are statistical approaches and have no diagnostic value! Qka me preferoni te bej un nuk dua asni vertetim ta bej se skam asken ne familje me sindrom as nga familja ime as e burrit.