How does fetal mosaicism affect Panorama results, particularly at low-level mosaicism?

How does fetal mosaicism affect Panorama results, particularly at low-level mosaicism?

• A. Low-level fetal mosaicism may be missed or yield ambiguous results; interpretation depends on fetal fraction and assay sensitivity.
• B. Low-level fetal mosaicism is always detected accurately.
• C. Mosaicism does not affect Panorama results.
• D. Maternal mosaicism explains all mosaic findings.

Answer: (A)