Estrogen and progesterone plunge: A health issue you’ve been having or that someone you care about is having could seem more worrisome today even if there hasn’t been a change in its status. The problem is that plunging estrogen is bringing down your confidence while upping anxiety, which can make you think anything from a suspicious mole to a nasty cold is worse than it may really be. Find out more by downloading the Hormone Horoscope App.