With stress comes adrenaline and excess adrenaline raises cortisol. The first action of cortisol is to raise sugar levels which, accordingly, raises insulin levels. So now there are two hormones raising sugar levels, stimulating insulin release, creating fat.
Too much estrogen can wreak absolute havoc on your whole body. It can cause things such as fatigue, PCOS, fibroids, endometriosis, abnormal menstruation, and breast cancer.