OP05.02: Fetal fraction of cell‐free DNA in frozen‐thawed and fresh embryo transferred IVF patients.

OP05.02: Fetal fraction of cell-free DNA in frozen-thawed and fresh embryo transferred IVF patients Non-invasive prenatal testing (NIPT) for IVF treated-women is sparsely investigated but a few studies indicate a decrease in fetal fraction (FF) of cell-free DNA for this group. Furthermore, primary analysis indicates the reduction in FF to be more prominent for IVF patients who received a fresh embryo-transfer (FF = 0.049) compared to those who received a frozen-embryo transfer (FF = 0.063) (P = 0.037). [Extracted from the article]