F7 and hyperinsulinemic hypoglycemia, familial, 4: In our analysis of 11 cases, 2 cases showed evidence of chorioamnionitis [7, 8], 1 case revealed single umbilical artery and marginal cord insertion with spontaneous avulsion of the umbilical artery [5], 1 case was secondary to composite heterozygous congenital factor VII deficiency, and in 7 cases no pathological condition was reported [3, 4, 9–11].