Help pleaseee I'm scared

So my boyfriend were like master bating each other on the couch and he came on my hand and all on the blanket and on his hand right after that we washed our hands and didn't wipe them off then got a new blanket and then he went and washed his hands like normal again, and then wiped them off with a paper towel and he fingered me then later I fingered myself but I am so scared that I'm pregnant my period should be on the 18th and it's so close and I'm so scared I really can't live if I'm pregnant pleasechelp me I'm panicking