What are the signs of pregnancy?

So , idk if anyone would be able to point me In the right direction. I had an ovarian cyst removed on September 20th I got my period September 18th lasted about 7 days of bleeding. I started spotting a little on October 8th . Just once when I wiped and same for the passed 3 days . I have sore breasts , cramping and spotting . My period is not due until 4 days . I’m in the combination birth control pill .