Are there risks to my Surrogate child with Non-Invasive Parental Test
Because a NIPT test for fetal abnormalities. is a simple blood test, the chance of any complications is extremely low, and it doesn't have the same risk of miscarriage as a diagnostic test.
You can have a NIPT if your surrogate carrying twins, although it may not give you as much information as for one baby. For example, the test can’t tell you which twin may be affected if the results show a high likelihood of Down syndrome. And a NIPT may not be able to tell you the sex of both twins.
NIPT isn’t recommended for triplets or more, because there hasn’t been much research on its usefulness or accuracy for multiple pregnancies.