Me a 27 year old female. My periods are irregular dates on which I had my period are 25 march 2018, 25 April 2018, 25 May 2018 and last period came on 21 June 2018, I am unable to find ovulation period. On 6 July 2018 my friend rubbed and touched his penis on my vagina without condom. He was lying on bed and I was above him. I didn't felt he ejaculate I mean he didn't inserted inside neither he discharged on me. I took unwanted 72 next day probably within 25 hours. As I am unable to calculate ovulation period. I am scared whether can I get pregnant. And pill taken within time will be effective. I am not sexually active and had taken pill once till now. I am scared of getting pregnant kindly help me. And Kya sperm egg same day fertilize Ho sake h the day we have done the above act. I am very confused please help. Will pill be effective? please help and reply. I am also suffering from mediastinal tuberculosis. I don't want to get pregnant.