D&C on Friday :( any advice?

Jenny • Late 20's. TTC #1 Recovering from 2nd miscarriage at 6-7 weeks.
Well after 2 1/2 weeks after finding no heartbeat, nothing seems to be happening so a D&C is now scheduled for Friday. It stopped growing at around 7 weeks.
Sad and nervous. Second miscarriage (first was natural). 29 and TTC #1. 
Any advice for the D&C? 

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