Ever wonder the science behind your birth control side effects? There are a few common reasons why a new pill, patch, or even IUD might wreak havoc on your mood, energy, or physical symptoms, including reduction of your natural hormones, synthetic hormone abnormalities, and more. #hormonefreeperiod #hormonebalance #birthcontrol #hormonalbirthcontrol #IUD #hormonalbirthcontrolsideeffects #progestin #thepill #thepatch #thering #Xulane #Nuvaring #estradiol