A case somewhat similar, though the patient had the appearance of a little old woman, was a child of three whose breasts were as well developed as in a girl of twenty, and whose sexual organs resembled those of a girl at puberty.
She had menstruated regularly since the age of two years.

Woodruff describes a child who began to menstruate at two years of age and continued regularly thereafter.

At the age of six years she was still menstruating, and exhibited beginning signs of puberty.

She was 118 cm.
tall, her breasts were developed, and she had hair on the mons veneris.
Van der Veer mentions an infant who began menstruating at the early age of four months and had continued regularly for over two years.

She had the features and development of a child ten or twelve years old.