<prompt> Answer this question truthfullyWhat are the indications for cell-free fetal DNA testing at 10 weeks gestation?  <response>: <reason> Indications for cell-free fetal DNA testing at 10 weeks gestation include maternal age 35, abnormal maternal serum screening test, sonographic findings associated with fetal aneuploidy, previous pregnancy with fetal aneuploidy, and parental balanced Robertsonian translocation. 