If these scans give more cause for concern you may be given counseling and be offered an amniocentesis.
She had gone back to the doctor and had an amniocentesis done.
They asked my permission to do an amniocentesis to check for fetal lung maturity.
Millions of parents have already used amniocentesis and sonograms to diagnose Down's syndrome or cystic fibrosis.
It also means that older mothers can be given a low risk for Down syndrome without having to undergo an amniocentesis.