I am confused


My period has been coming Down light pink or brown and pinkish color. Only used panty liner sometime it only shows when I clean my self... for the past 3 months I missed a period on the 28 started discharge again 4 days afther my regular ovulation date.... sometime I feel like little pounding inside of me mostly feel when I’m sitting Down ... I feel it we’re doctor makes a c-section...The top one is from today the second one from Thursday...... what does this mean?