Spoting for unknow reason ?

Cindy

so ive been spoting light pink redish since about 4/5 days now but light spoting not enough to wear pad i dont no why im not ovulating n its not time for my period iam married with 2 kids Not TTC so me n my husben does the deed unprotected but he def pulls out TMI i no but i toke a test anyways im not Pregnant I thought the bleeding/ spoting stopped today so we had sx again now im kinda scaerd becus it started agin ? can i just be changeing cycles? or no pain during or befor sex so thats why its werid to me very confused