What is considered a Growing ovary

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Your Care Instructions. Ovarian growths are abnormal growths in or on the ovaries. The growth can be a cyst, which is a fluid-filled sac, or a mass (neoplasm), which is a more solid growth. Most of these growths are not cancerous (benign) and don't cause symptoms.

Explanation:

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.