Early Menstrual Cycles Are Usually Irregular and Without Ovulation

question 58

True/False

Early menstrual cycles are usually irregular and without ovulation.

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Definitions:

Established Order

The existing, often longstanding social, political, or religious system or structures in a society.

On the Origins of Species

A seminal work by Charles Darwin, published in 1859, which introduced the scientific theory of evolution by natural selection, revolutionizing biology.

Charles Darwin

A British naturalist who proposed the theory of biological evolution by natural selection, documented in his 1859 book "On the Origin of Species".