Insights please

I have a regular 27-30 day cycle. I ovulated around cd 11. I'm now 10 dpo and I'm having pink tinged spotting here and there. If glow is correct on when af will come, this would give me a cycle of 23 days. I have never had a cycle that short. It says I'll start in 3 days. I took hpts way to early . Both were negative. My beats have been pretty sore on and off with little pings of pain gets and there. Any insights would be greatly appreciated!