Spotting after beta

APP

Hi all, I’m new here! My husband and I did <a href="https://glowing.com/glow-fertility-program">IVF</a> after learning about a MFI issue. We did a fresh 5dt on 10/28. I had my first beta yesterday at 9dp5dt and it was 315. I’m scheduled to go back on Monday for my second beta but last night and this morning I had some spotting (mostly brown but some red). I’m feeling really anxious and worried because I know it can be a sign of early miscarriage. Has anyone had early spotting at around 4 weeks that ended up being okay in terms of doubling beta numbers?

For additional context, this was my second retrieval—we PGS tested and froze the embryos from the first cycle and opted to do a fresh transfer this cycle because we ended up with less embryos.

Thanks you in advance!