It is caused by Candida (a type of yeast), usually as a complication following premature rupture of membranes in a mother with vaginal thrush.
Congenital cutaneous candidiasis
Transient neonatal pustular melanosis
Neonatal herpes simplex
Bradyphrenia
Congenital syphilis
Poikiloderma of Civatte
Tuberculosis cutis orificialis
Sclerema neonatorum