Hormones are like our internal messengers and our bodies are constantly responding to and acting on these signals. For example, at ovulation, usually around Day 12 – 14 of a woman's menstrual cycle, increased estrogen levels trigger a sharp rise in Luteinizing Hormone (LH) from the pituitary gland, causing release of the egg from the follicle. Another example would be after eating, our body responds to the level of glucose by releasing the hormone insulin which signals the bo