Mucus Right Before Period Do You Have White Mucus Before Period Or During Conception?

Do you have white mucus before period or during conception? - mucus right before period

Hello I wondered if you are white mucus before or during the design-time? My cycle is 35 to 36 days and have not had this before can somebody tell me? my period is 4 days, and usually have an electric discharge, a few days earlier, but do not know.