Medline ® Abstract for Reference 43

All cases (70) of failed instrumental deliveries which occurred between 1980 and 1988 at Ramathibodi Hospital, Bangkok, Thailand were critically reviewed. The incidence of failure was 0.5%, and failure occurred more often in primigravidae. Failure to appreciate the true level of the fetal head and too early intervention accounted for failure in 50% of the cases. Failed instrumental delivery can be minimized if the prerequisites for the procedure are strictly adhered to.