Baby’s heart stopped at 11 weeks

No words can describe how torn I am. I’ve been crying all weekend. My labs were normal at 7 weeks. The heart rate was 152 bpm, but the baby’s heart had stopped and the baby measured exactly 11 weeks when I went in at 11 weeks 3 days for a follow up. Has anyone had a similar experience? I’m going in for a follow up on my medical abortion tomorrow and I’m curious as to if they can do labs to figure out why the heart beat stopped. I just want closure 😞