Is NIPT safe during pregnancy?

Yes. NIPT is a blood sample taken from your arm. There is no risk to your pregnancy — no needle near the uterus, no procedure, nothing that could cause a miscarriage. The only physical risks are those of any blood test: brief discomfort, occasionally a bruise. That safety is the main reason NIPT has become so widely used, and why ACMG now recommends it for all pregnant women in preference to older screening tests. The risks that do exist with NIPT are informational rather than physical, and they are worth being aware of before you agree: A high-risk result may lead you to consider a diagnostic test — CVS or amniocentesis — which does carry a small procedure-related risk. So NIPT can start a pathway that has risk, even though the test itself does not. An inconclusive result can cause anxiety and require repeat testing. The test can occasionally reveal something unexpected about you rather than your baby — a chromosome difference you did not know about, or very rarely a sign of a maternal health problem. A false reassurance risk: a low-risk result covers only the specific conditions screened, and it is easy to hear it as "everything is fine". None of these makes NIPT unsafe. They are reasons to understand what you are agreeing to, and to know that declining screening altogether is a legitimate choice.