Sex determination in twin pregnancies

The Harmony® Test is now able to determine fetal sex in twin pregnancies.

This breakthrough has been achieved through refinements of the Harmony® Test’s specialized analyzing algorithm (“FORTE”). For the sex determination the test detects sequences of the Y chromosome in the cell-free DNA. If DNA from the Y chromosome is detected in maternal blood it can be deduced that at least one of the two fetuses is male. It is not yet possible to determine the risk of X / Y – chromosomal disorders in twin pregnancies.

The cost of the analysis and the turnaround time is the same as for singleton pregnancies – on average only 3 working days.