Anxiety, help me get through 5 days....

I'm 7 weeks with rainbow babies...Friday is follow ultrasound to confirm viability because there were no heartbeats yet... I've really started to become excited about the prospect of twins... I know what will be will be I'm just so nervous especially following the miscarriage in March. Thoughts and prayers please and if anyone has any advice on how to get trough this week that would be great.