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Prenatal screening

During pregnancy, you can choose to have tests done for certain chromosome abnormalities or physical defects in the baby. This is called prenatal screening.

These tests are voluntary. Some parents choose to take advantage of them, while others do not. During the check-ups, we take our time to discuss the options with you, so that you can make a choice that fits your wishes and feelings.

NIPT

The NIPT is a blood test from the mother. It checks for indications of chromosomal abnormalities, such as Down syndrome, Edwards syndrome, or Patau syndrome. The mother's blood also contains DNA from the placenta, which almost always matches that of the baby.

  • Possible from 10 weeks of pregnancy 
  • Results usually within about 10 days 
  • If results are abnormal, further testing may be needed 

13-week ultrasound

The 13-week ultrasound is an ultrasound examination that looks for possible physical abnormalities. Since this examination takes place early in the pregnancy, something may sometimes be visible at an early stage.

  • Possible between 12+3 and 14+3 weeks of pregnancy 
  • Duration approximately 30 minutes 

20-week ultrasound

The 20-week ultrasound is an extensive medical scan where the baby's development is carefully examined.
It specifically looks at the heart, brain, abdominal organs, spine, and limbs.

  • Possible between 18 and 21 weeks of pregnancy 
  • Preferably around 19 weeks 

More information

During check-ups, there is always space to ask questions and reflect together on what is important to you.
More information about prenatal screening can be found via the PNS RIVM and the NIPT information RIVM.