Aw, I totally get the anxiety, pero honestly brown discharge can mean so many things, hormonal changes, stress, implantation, or even just your cycle doing its thing, kaya best talaga magpa-check ka with your OB para ma-ease your mind, lalo na't delayed ka na ng 6 days. One of my mum friends was also spotting brown before her positive, pero may kaibigan din akong yan lang ang nangyari tapos normal cycle lang, so kailangan talaga ng proper check-up para malaman mo for sure at hindi ka mag-overthink.