Hi, I Got Married Last January And I Took Prostinor

hi, i got married last January and i took prostinor 2 pills 3 times with in one week. i didn't know how to use it. after that my menses cycle got upset and it was bleeding for 2 weeks continuously time to time.. after that i went to a VOG and he gave prescribe me a hormone pill twice a day for 21 days.he told me my menses will start correctly after 21 days but i missed 6 pills. so i got periods. then again i started that medicine course.it has been 10 days that i have started to use it 2nd time. i've got bleeding after we had sex.it happened almost all the time we had sex from the beginnig. is it becouse of over dosage of pristinor 2?