HCG levels chart?


Its been a few years since I posted here, But today my SIL got a positive HCG, after three cycles of IVF. Im thrilled for her. Her number was 175. Im looking for a chart that shows HCG level averages per day for singletons, twins and triplets etc. I remember people here on this site showed to it me originally, and Im hoping that someone can point me in the right direction.

Hoping that someone out there knows the link :slight_smile:
Thanks so much!