Af what is going on help!!

So my period is late. Im 7 months post partum. Ive maybe had sex with my husband 4 times within the last month.  Just to tired 😑 weve used a condom. Im not breastfeeding. What is going on ive noticed this kind of discharge coming out what does this mean? Help me out ladies!!! Sorry for the TMI!! Imhave a nervous breakdown!