We have attempted to develop a reasonable approach to the diagnosis of a case that we are reporting, that of a 6 months fetus presenting a generalized bullous eruption. The usual diagnoses of syphilis, pemphigus neonatorum and epidermolysis bullosa could apparently be excluded. The study has been made under the following divisions :
1. A classification and brief review of fetal dermatology.
2. The relation of the infectious diseases to pregnancy and the fetus.
3. A review of forty-seven reported cases of fetal variola and presentation of a case believed to be pemphigoid fetal vaccinia.
DERMATOLOGIC CONDITIONS OF THE FETUS
Most examples of fetal cutaneous pathology are due to genetic imperfections. Unna1 pointed out that the group which he calls "Missbildungen" is constantly expanding. Tumors form another large percentage of cutaneous conditions in the fetus. Only a small number of bullous eruptions are seen. A review