Twice inconclusive results of NIPT with Twins

Naaz • 🧕💍10y❤️ TWINS Mommy 10/22/19,MC-09/2018,12/2018. 👦 👦 🌈 Twins ❤️

Hello ladies

I got my first draw done at 10+4 , results came low fetal fractions and second was drawn on 12+2 and still same result. Anybody had this happened and turned out ok? Please advise. Thank you