How Your Monthly Cycle Affects Your Workouts
by Alanna Nuñez on Vitals, shared by Beth Skwarecki from Lifehacker on (#4M7RX)

Anyone who's ever had a period knows that the accompanying mood swings, fatigue, and cramps can be rough. Of course, everyone is different, and your mileage may vary, but if you do suffer from severe symptoms, it can be hard to drag yourself off the couch for literally any reason - including your workout.