Abstract: Progesterone, also known as luteinizing hormone, is a crucial physiological hormone that regulates the menstrual cycle, reproduction, and the biosynthesis of steroid hormones, playing a vital role in addressing human fertility issues. This paper vividly introduces progesterone and its derivatives through anthropomorphic language, highlighting their significant roles in women’s lives, including the menstrual cycle, contraception mechanisms, pregnancy, and breast cancer treatment. The aim is to enhance understanding of the physiological effects of progesterone and to encourage reflection on life and health.

Key words: Progesterone, Menstrual cycle, Pregnancy, Breast cancer