Talk to Gynecologist on Contraceptive,irregular Cycle, Ovulatiom

sorry i am posting my question again i wasn't replied properly ,but i have concerned about my cycle regularity and contraception.. I noticed that my cycle was irregular after hormonal contraceptive use for several months, after withdrawal i didnt got natural periods ,n induced it through primolut. After 3 days of stopping i had bleeding for 6 days

Here my real question is , i still want to avoid pregnancy, i stopped hormonal contraception because my husband was abroad he came after 2months , on 13day of primolut bleeding we had sex , it was a pull out method he discharged outside but i took to ecp to avoid any uncertainty . NormalLy 13,14day of cycle is considered ovulation day .i wasnt able to track my ovulation ,if it occurred or not or when it occured (bcz i didnt had natural period ,bleeding was due primolu .. i took ecp asap , n after 2 hrs i arranged ovulation kit, my T line was lighter than C line.. I have searched alot but couldn't find the answer of my question i want