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SafeT21 Standard / Advanced + BlessGD

What is the difference between BlessGD and SafeT21?

BlessGD and SafeT21 are designed to screen for different types of genetic risks, and the two tests complement each other to provide a more comprehensive assessment of potential fetal abnormalities.

常見Q&A

Frequently Asked Questions

Q: Is BlessGD the same as SafeT21 Advanced Panel? Can I just do one test?

A: No, they are not the same. BlessGD is designed to detect small single-gene mutations (1–3 bp), while SafeT21 focuses on large chromosomal abnormalities (>3 Mb). They cover very different conditions, so using both tests together provides a more complete screening result.

Q: When can the test be done? Is it safe?

A: The test can be performed from 10 weeks of pregnancy. It only requires a maternal blood sample, so there is no risk to the baby. The report is usually available in around 21 days.

Q: Why is single-gene disease screening important?

A: About 1 in 100 babies is affected by a single-gene disorder. Many cases are caused by de novo mutations, and risk can increase with advanced paternal age. Early detection allows parents to prepare earlier.