Before revision: Nägele's obliquity presentation of the anterior parietal bone to the birth canal , the biparietal diameter being oblique to the brim of the URL synonym anterior URL It was first described in 1777 by german Karl Nägele.
After revision: Nägele's obliquity presentation of the anterior parietal bone to the birth canal during vaginal delivery with the biparietal diameter being oblique to the brim of the URL The synonym for this presentation isis the anterior URL It was first described in 1777 by german Karl Nägele.