Help questions

Af came on the 7th it was only spotting then alittle more the next day   It was the same the next day witch was Monday then on Tuesday it was just a spot here and there!! Now today is Wednesday and it's over now!! What dose that mean could I be prego?? Ttc!!! I always have af for 4/5 days and this time it was two days!!!! Please help don't know what to think!!! I also have an yeast infection too witch I don't know why I have that the only time I have gotten that before is when I was on strong meds!!! Please help!!!! Thanks