Help! SOS

Im trying to get pregnant and my so has came in me in my fertile days so we were super excited because I started feeling dizzy and throwing up but that night we did doggy style and it was sooo good😍 but when we were done he looked down and had blood on his dick and I got upset cause I thought that ment I had my period well this is the 3rd day and yesterday and today there was no blood.... any comments? Request? Any can help me try to figure out what this means please