Why Do I Have PMS Symptoms But No Period?

Why Do I Have PMS Symptoms But No Period?

Last menstrual period date:

Thanks to those “groovy” movies they show us in middle school Sex Ed classes, it takes a very long time to shake the myth that our periods tick like clockwork, humming along smoothly, and every 28 days at  9am  it’s “cuckoo!  cuckoo!”. As the saying...