anyone know what this could be?

Dr

so on monday second pic i had a brownish pinkish discharge nothing after that and today i had a clear sticky discharge tint of blood and then later on this stringy blood clot and nothing after that when i wipe theres nothing. been having lots of cramping since sunday night lower abdomen and lower back. period isnt due for 4 days i ovulated the 20th or 25th not sure apps say different had sex before and after those dates.