| Diagnostic | sampling: fetal tissue (Chorionic villus sampling · Amniocentesis) · blood (Triple test · Percutaneous umbilical cord blood sampling · Apt test · Kleihauer-Betke test) · Lecithin-sphingomyelin ratio · Fetal fibronectin test
obstetric ultrasonography: Nuchal scan · Biophysical profile (Amniotic fluid index) other imaging: Cardiotocography (Non-stress test) · Fetoscopy challenge: Contraction stress test Leopold's maneuvers | ||||||
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| Intervention | |||||||
| Delivery | |||||||