As we all know, water accounts for 60% of human body weight and is the main component of human body fluids. Not drinking enough water will not only make you feel thirsty, but will also affect the electrolyte balance of body fluids and the transportation of nutrients in the body, leading to dysfunction of various tissues and organs in the body. To maintain normal substance metabolism, water is indispensable. There are two sources of water in the human body, one is endogenous water produced by human body metabolism, and the other is water provided by food. Due to the increased metabolic demands during pregnancy, water requirements also increase. Pregnant mothers need approximately 3000 ml of water (including milk, soup,