The first menstruation is called:

Solution:

The first menstruation, which begins at puberty, is known as menarche. Menopause refers to the cessation of menstruation, typically occurring around 50 years of age. Diapause is a period of suspended development in the life cycle of many insects and other invertebrates, especially during unfavorable environmental conditions. Ovulation is the release of an egg from the ovary during the menstrual cycle.