Early reassurance scans

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Hey everyone so I'm nearly 6 weeks with my rainbow baby. From my miscarriage in January baby stopped growing at 8w5d but I didn't find out until 12 week scan as it was a missed miscarriage.

My question is, at what stage would most of you guys get the early reassurance scan? If I could have it my way I would pay for a early scan every month but unfortunately I aren't made of money 💰😕

Thanks ladies. X