must of got my positive 5dpo 🤤

Bex • 🧚‍♀️ 2010 🧚‍♀️ 2017 🧚‍♀️ 2018 🧚‍♀️ 2020 girl mama

got my first positive at what was suppose to be 12dpo. but my scan put me back a whole week so it puts ovulation a week forward. i find that odd. also my cervix was hard and shut at that time. must have implated to late. it doesnt make sense lol anyone else get put back?