The crossword solution for the term 'Component of the Pill' is ESTROGEN, which is an 8 letter word. ESTROGEN is a hormone that is naturally produced by the body and is responsible for the development of female sexual characteristics. It is also used in some forms of birth control pills to help prevent pregnancy. ESTROGEN works by preventing ovulation, thickening cervical mucus, and thinning the lining of the uterus.