TTC after Miscarriage

Lou

It's been just over a month since we miscarried and I am now 5 days late for AF. Is it normal to be late and feeling off? I have:

-white CM

-lower stomach 'bloat'

-sore back

-cramping in the lower left side of my stomach

Keep taking pregnancy tests hoping there's a chance but they come back negative. We have been TTC for 10 months. Any tips?