Ovo vegetarianism is a type of vegetarianism that includes eggs in the diet. However, there are other terms that are used interchangeably with Ovo vegetarianism, such as lacto-ovo-vegetarianism, which includes both dairy products and eggs. Another synonym is "egg-vegetarianism", which refers to a diet that includes eggs but no meat or fish. Some people use the term "ovo-lacto vegetarianism" to refer to a diet that includes both eggs and dairy products. Other variations include Pescetarianism, which includes fish, and Flexitarianism, which allows for occasional meat consumption. It is important to choose a vegetarian diet that suits individual needs and preferences, and that is based on a balanced and nutritionally adequate diet.