random bleeding ?

Tayla🌼 • Two daughters 🌸🌸 13month Gap. 👶🏼 👶🏼 👼 healing from loss 😭 at 11 weeks pregnant. NOW -🌈 👶🏼 on board
Okay problem. So my husband and I have unprotected sex (pull out technique) my period ended about 8 days ago. I'm two days from being fertile. I started randomly bleeding a tiny bit today ? My husband and I are going to start trying for kids soon. Anyone know what this is about. We had sex last night as well! And suddenly I'm spot bleeding ! Any females know what this is about ?