Pregnancy possibility. Test on 5march!

I'm taking ovral-G for Painful period started my2nd cycle of ovral-G tablets from 14Dec.that was 5th day of withdrawal bleeding from my firstcycle pills.I completed my ovral-G on 2 Jan.Afterl started to have withdrawal bleeding after 6days from 8 Jan during the pill free week which continued till 11jan.On 10 Jan my boyfriend fingered me nothing more happened between us he was fully clothed that time. He didn't touch himself before 5 min of touching me. He went to Washroom 5-7 before the incident didn't know his hands clean or not.Was still having the bleeding that time.Started 3rd cycle of ovral-G tablets from 12 Jan 5th day of my withdrawal bleeding.withdrawal bleeding from 6-10feb but the bleeding was very less in amount for continued for 5 days. Abdominal ultrasound on 11feb showed empty uterine cavity 6mm endometrial thickness.also diagnosed with PCOD.not on pills from 10feb not sexually active.6march no periods nipples are darker erect and pain(-) home pregnancy test on 5march