ANY SUGGESTIONS?

HELLO MOMMIES, just asking lang po Last July 13 1st mens kopo natapos ng July 23 This August hindi po ako dinatnan pero before August 13 na dapat mensuration ko nagkaroon po ako ng Brown Discharge then after ilang araw nung nagwiwi ako may blood pagka wipes ko then nagwipes ako uli wala na as in bahid na blood lang sya then nag Pregnancy Test po ako after a week Negative ano po kaya possible na nangyare? tapos po madalas magcramps yung tiyan ko 🥺 pasagot po sana please Thankyou so much Godblesspo !