Birthmarks are pigmented or vascular anomalies that are present at birth or develop shortly after. They can vary in size, shape, and color and can be either flat or raised. Some birthmarks are harmless and do not require treatment, while others may require monitoring or medical intervention.

Atopic dermatitis, also known as eczema, is a chronic skin condition that causes dry, itchy, and inflamed skin. It is believed to be caused by a combination of genetic and environmental factors and can be triggered by certain foods, irritants, or allergens.

Ichthyosis is a genetic skin disorder characterized by dry, scaly, and thickened skin. It is caused by a mutation in one or more genes that control skin cell turnover and can be inherited in an autosomal dominant or recessive manner.

Genetic skin disorders are conditions caused by genetic mutations that affect the structure or function of the skin. Examples of genetic skin disorders include epidermolysisbullosa, neurofibromatosis, and xerodermapigmentosum.

Mongolian spots are bluish-gray birthmarks that are commonly found on the lower back and buttocks of newborns. They are caused by an accumulation of pigment-producing cells in the skin and usually fade on their own by the age of 2-3 years.

Hemangiomas are growths of blood vessels that can occur anywhere on the body. They are usually present at birth or appear within the first few months of life and can vary in size and appearance.