blighted ovum twin

Vivian
We are currently expecting after two previous miscarriages and months of trying. Had our very first ultrasound today (7 w 3D) and found out that we were expecting twins but that one didn't make it. He called it a blighted ovum. Of course I'm so thankful the one baby is doing well but I can't help but feel sad about the other baby. Has anyone experienced this before?