—Hixson and Sequenom's interim chief financial officer also emphasized the company has introduced three laboratory tests over the past six months. They include tests that analyze fetal DNA in the mother's blood for Cystic Fibrosis, to determine if the fetus blood type is Rhesus D negative, and to determine fetal sex. But Sequenom's interim CFO, Paul Maier, noted that diagnostic revenue generated by the company has been at best incremental.