Hello I Have A Question About Pregnancy. I Had My

Hello i have a question about pregnancy. I had my period start on the 19 an it ended on the 26 . my husband an i had sex an he came in me 3 times towards the end of my period.. I know the days we're somewhere between 23,24,25,26. Three days in a row . we used the vcf film but we didn't wait 15 minutes any of the times an my husband noticed one film had fallen out after we were done one night .on the 1st i had spotting just once , light .an since the first ive had cramping but its in my legs an back, ive had cravings , an im tired all day everyday . i took a. Dollar tree test yesterday an it was negative..could i be pregnant even though i had sex so close to my period ? Where do i go to check my question ? Through my email