When to set up an appointment?

Lucie • Married. 25. TTC 🌈 baby

Hi!

I’m 4weeks6days pregnant and debating when to call my doctor. I’m after a miscarriage in October. I was thinking of waiting another 4 or 5 weeks to make sure there’s a heartbeat. I’ve read that it’s actually better to see a doctor earlier. So do you have any advice for me? Thank you!