Ay, marami talaga sa amin na nakaexperience ng ganyan around implantation window! Yung pinkish then brownish spotting with that kind of discharge, honestly, it could be implantation, pero minsan din stress or hormonal fluctuations lang talaga ang dahilan, kaya better check with your OB para sure, lalo na if you're tracking for pregnancy. A few of us tried charting carefully and realized na medyo unpredictable ang body natin, kaya wag masyadong mag-overthink, take a test after a few days kung may delay ka, and let your doctor guide you from there! Fingers crossed for you, sis, hoping it's the good news you're waiting for!