Stress causes the adrenal glands to produce an excess of male hormones, or androgens, which can also block estrogen formation, leading to depression. It can also cause acne and excessive facial and body hair. Progesterone therapy can make PMT-D worse and can increase the risk of cancer. Four out of 10 women suffer from this type. The cause is low blood sugar.
Premenstrual women experience dips in blood sugar, which lead to sugar cravings.
When the body takes in large amounts of sugar, it increases the amount of insulin in the blood. This causes the nervous tension, heart palpitations and drowsiness.