Track your cycle and ADHD

How do hormones affect your ADHD symptoms, your medications or other lifestyle factors such as sleep, diet, relationships and more.

Thousands of women with ADHD are tracking their cycles and hormones with Letterlife.

AND you can also connect with them in our community or match with a ADHD-Buddy to have one to one support or Ask one of our doctors, gynecologist, midwifes or coaches questions directly in the app and get replies within 24 hours!

Said about Letterlife


For ADHD women and those exploring the possibility

Tools created specifically for women-specific ADHD symptoms based on research and developed in collaboration with patients and leading physicians and researchers.

Get a better understanding of ADHD symptom, hormones and meds

Ask our experts anything directly in the app

Connect with other ADHD women

When in contact with us, your privacy is our utmost priority, your data and information is confidential and encrypted.

From our blog
  • Blog

ADHD – Medication Across the Menstrual Cycle, is Cyclic Dosing a Way To Go?

Many ADHD-women report that they react differently on their medication depending on their current hormonal status. Some have, in collaboration with their doctor or nurse, have tried out a more individualized dosing strategy for their ADHD-medications. They describe how cyclic dosing of their meds give them better functioning and less side effects. But what does […]

  • Blog

Hormones, Hormones, Hormones

The Basic Facts for Everyone It probably won’t come as a surprise to those of you who follow our work at Letterlife that, in addition to ADHD, we’re quite interested in our female hormones and how they affect our brains, bodies and ADHD. But honestly, how much do you really know about the most important […]

  • Blog

How Sex Hormones Impact Mental Health

For many years, it’s been clear that males and females represent two distinct subgroups of the same species when it comes to physical conditions and disorders. However, this understanding has yet to fully permeate the field of psychiatry. This week’s blog post is a summary of key findings and takeaways from a Harvard review article […]