Reads
with their sources

Short reads on PMS, PMDD, the week before your period and getting taken seriously by a doctor. Each one names the health authorities and studies it rests on.

Your cycle and PMDD

At the doctor

The hard week

The people around you

Check, print, compare

Keep the record your doctor needs. Tideline is a period and mood tracker for iPhone: write one sentence a day, and after two cycles it puts the week before your period next to the week after it starts. Free to track, no account.
Get Tideline on the App Store

© 2026 Ben Jonas Goedeke · Tideline keeps a record. It does not diagnose, treat or prevent any condition.