I have a question doss boric acid affect your period.

I took question one pill or boric acid on my 3rd day of my fertility and after 2 day l had my ovulation. When my ovulation was done l started spotting little by little few days later and its like it comes and goes like some days l spot and the other days l don't . Like today am also spotting. Am expecting my period on 19th this month and am worried if the boric acid will affect my due date of period. Has anyone experienced this.