Читать книгу Blooming Birth: How to get the pregnancy and birth you want - Lucy Atkins - Страница 56

These are usually offered, with a local anaesthetic, if other tests show you are at a slightly higher-than-average risk of having a baby with chromosomal abnormalities or neural tube defects.

 Chorion Villus Sampling (CVS): | done after 11 weeks. Needle inserted through your abdomen takes a sample of placenta. One to two per cent risk of miscarriage.

 Amniocentesis: | done after 15 weeks. Very fine needle inserted through your abdomen takes a sample of amniotic fluid. One per cent risk of miscarriage.