i don't know!

JASMANE • 🤰🏾🥰🥰🥰🤰🏾

okay ladies on this <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a> do I just mark the day i started my cycle or do I have to mark everyday I'm on?! I really need help lol!!