Final answer:
During the menstrual cycle, experiencing cramping, pain, and heavy flow is called menstruation.
Step-by-step explanation:
During the menstrual cycle, the term that describes experiencing cramping, pain, and heavy flow is menstruation. Menstruation is the process in which the endometrium of the uterus is shed from the body, causing bleeding and other tissues to pass through the vagina. It usually lasts about 4 days on average.