Estrogen and progesterone plunge: Believe it or not, you may have more energy and alertness than you did during your Week 3. That’s because your level of progesterone is decreasing, and with less of this sedating hormone weighing you down, your energy can get a slight lift. Oh, it’s nowhere near Week 2 levels when estrogen was high-and-rising. But, it’s enough to help you get through the day a bit more easily. Find out more by downloading the Hormone Horoscope App.