A Corpus luteum cyst is a type of ovarian cyst which may rupture about the time of menstruation, and take up to three months to disappear entirely. A corpus luteum cyst rarely occurs at age 50+, because eggs are no longer being produced in menopausal women.
the strategy of island hopping was used by the United States in the Pacific theater of world war two. Thought of by Douglas MacArthur, island hopping was a strategy that used the technique of jumping from island to island on a chain to control the chain as a whole vs attacking all the islands at once.
Porter wrote in 1980 that strategy targets either cost leadership, differentiation, or focus. These are known as Porter's three generic strategies and can be applied to any size or form of business. Porter claimed that a company must only choose one of the three or risk that the business would waste precious resources. Porter's generic strategies detail the interaction between cost minimization strategies, product differentiation strategies, and market focus strategies of porters.