Newborn bloodspot screening is carried out five days after your baby’s birth. Occasionally this may be later than five days. The sample is usually taken by the midwife in your home, or in the hospital.
Other health professionals, who have been trained to carry out newborn bloodspot screening, may take the sample.
The midwife will prick your baby’s heel using a special device to collect four drops of blood onto a newborn bloodspot screening card. Collecting these bloodspots usually takes a few minutes. The card is sent to the Newborn Screening Laboratory in Cardiff for testing. The midwife will write your baby’s details on the card to identify them.
The heel prick may be uncomfortable and your baby may cry.
You can help by:
Occasionally the midwife or health visitor will contact you and ask to take a second blood sample from your baby’s heel.
This may be because:
Your midwife or health visitor will explain the reason to you. It is important that if a repeat test is needed, it is done promptly so that all the tests have been completed within the early weeks of life.