Anxiety In Teens is kind of like Lunar not Loony except for teens with all types of mental illnesses and mental health challenges. They don't have any resources specifically about PMDD, but they have lots about depression, anxiety and self harm. Ask them to cover PMDD here.
Below, you can also watch their founder's TED Talk on her experience with anxiety and why she created the site.
Below, you can also watch their founder's TED Talk on her experience with anxiety and why she created the site.