The first day of her period last month was October 21. Then 6 days later, october 27 we did mutual masturbation. I did not have clothes and she had, but my hand was inserted into her shorts, from her belly down to her vagina. I’m not sure but i’m afraid that maybe some tiny amount of semen went to her vagina when i’m squirting semen but I really didn’t saw some squirt going onto her vagina. 3 days later october 30, we masturbated each other but not the same time. I fingered her first but i am fully clothed. After that, she take her clothes on and then masturbated me and I ejaculated. Minutes later we dry hump fully clothed without ejaculation, just little amount of pre ejaculatory fluid and touched each others’ parts but not going into the clothes. I also make sure that when I touch her even to the clothes, my hand was dry. She has irregular period last year, but starting last January 2017, she has regular period. What’s the chance of being pregnant? She still hasn’t got her period now. But last November 7, she has light brown discharge for 3 days. That doesn’t look like her period. I think that is not also implantation bleeding because it’s too early.