My Boyfriend And Me Had Sex Yesterday Morning I Gave

my boyfriend and me had sex yesterday morning I gave him a blow job and sperms came out... then I swallow the semen and thats it. after 4hrs we had sex again and then he rubbed his penis over my vagina and touched it with my clitoris. but that time semen didn't come out. this happened yesterday.my last period started in last 18th of october and yesterday is the 17th day from the period.. will this cause pregnancy?