At 12 week of scan my nasal bone was visible. NT value 1.2 mm Double marker test reports are normal (low risk) Age Risk : my age is 32 (T21) 1:650 (T18) 1:5848 (T13) 1:17555 At 18 week of scan doctor said there is only one nasal bone 1.2 mm and absent on the other side NT 3.3mm, pre-nasal thickness 1.7 Doctor said us go for amniocentesis test N I did it we are waiting for reports. Can any one tell us If amniocentesis reports will negative with hyperplastic/absent nasal bone. Can we give birth to normal baby l already read so many doc and comments, video but I did not find any conclusions. Please help me Thanks in advance