 [ Symptoms ] can a tooth cavity cause ear infections  this is my third summer in a row with an infection in my left ear and always at the same time of year the end of june i also have a cavity in my lower left molar the last one that has been worked on once before but not completely cleared [ Disease ] hi if your talking about ovulation day then the answer would be no but if you had unprotected sex 6 days before ovulation day this would make you pregnant though and this would give implantation spotting if this is what your now getting dose this help you good luck