I'm Confused, I Was Fertile On The 30 Of December

I'm confused, I was fertile on the 30 of December until the 5th of January, well me and my partner had intercourse on the 1st and 2nd. I ovulated on the 4th. On the 6th I woke up fine but I smelled eggs and I got discussed. When I went to work I had a huge headache and a bad fever, my eyes hurt when I saw light I was dizzy like if I wanted to faint . the next day I felt like nothing ever happened I was find just a little headache here and there and I had some abdominal pains on my lower left side. Oh on the 3rd I was like bleeding light pink or redish spots. Also I do smoke cigarettes but since these symptoms I haven't picked up a cigarette anymore. I don't crave them anymore it kinda makes me sick looking at them and if I get one I get so bloated and dizzy I turn them off so I stopped. But I wana know what's going on because this has never happened to me because we've had intercourse before and I never felt like this. I did take a pregnancy test but it was a little to early to test . but what do you think is wrong?