Log in to glow

Samantha • Been ttc for over a year now I had 3 mc in my life and no baby`s ttc #1 ant it is really hard sometimes I just wanna give up
So I just logged in to glow to see when my next period was because I thought I was due for one and a percent ly I missed it but I don't see any of my logs from ever on here does glow delete them when you log out and what should I do about my period please help very nervous hoping for a baby