For many \”future parents\” who have just embarked on the journey of in vitro fertilization, they may feel confused when they hear professional terms such as \”cycle initiation\”, \”hormone regulation\” and \”follicle promotion\” for the first time. The advanced mathematical formulas are the same. I know every word, but when they are put together, they are incomprehensible. If you do not have a clear understanding of the entire process, it is easy to disrupt the entire plan by missing a link, resulting in a waste of time and energy!