The first menstruation begins at puberty and is called menarche.Ovulation: It is the process that deals with the release of the secondary oocyte from the mature Graafian follicle.Menopause: In human beings, the menstrual cycle ceases around 50 years of age; that is termed menopause.Diapause: It is a state of dormancy or developmental arrest in an organism.Hence, the correct answer is Menarche.
