Delayed diagnosis of anorectal malformations: are current guidelines sufficient?
Delayed diagnosis of an ARM appears to be common, occurring in approximately 32% of patients referred to our institution over the last 2.5 years. Current guidelines appear insufficient to ensure prompt diagnosis of ARM.
Three of the 15 forensically relevant STR loci investigated had null alleles at significant frequencies in South African populations. Failure to allow for the presence of null alleles can have a large impact on the outcome of parentage tests.