Is it another miscarriage??

I had previous miscarriage in feb which would of been my 1st baby found out i was pregnant in july went for private scan yesterday and they said they cant detect heartbeat measured baby at 7 weeks 3 days have another scan at hospital thursday has anyone experienced this devastated right now all over again im sure i can hear a heartbeat on fetal doppler 🤷‍♀️😭☹️💔