So semi tmi... but 2 nights ago I was sexually active. Last night when I came into bed I noticed a…

So semi tmi... but 2 nights ago I was sexually active. Last night when I came into bed I noticed a little bit of blood spots (small amount picture in comments). Idk whether to be worried or what. There has been no sign of spotting since. Opinions? Thanks! And ps I wash my sheets frequently so this is recent.