Question

What is the first menstrual flow that begins at puberty called​

Answer 1

Answer:

menarche

Explanation:

Girls experience menarche at different ages. The timing of menarche is influenced by female biology, as well as genetic and environmental factors, especially nutritional factors. The mean age of menarche has declined over the last century, but the magnitude of the decline and the factors responsible remain subjects of contention. The worldwide average age of menarche is very difficult to estimate accurately, and it varies significantly by geographical region, race, ethnicity and other characteristics.

Answer 2

Answer:

Menarche is the first menstrual cycle, or first menstrual bleeding, in females.