Figure 2

Fetal sex chromosome aneuploidy results of NIPT. (E) case 4 (− 9.97, 71.42). (F) the retest result of case 4 (− 13.29, 114.96). (G) case 5 (0.42, 2.07). (H) the retest result of case 5 (− 0.69, 1.98). Case 4 was male, case 5 was female, and their retest results were consistent with them.