?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=The+Effect+Of+Normocephalic+Foetal+Skull+On+Foetal+Dating+Using+Biparietal+Diameter&rft.creator=Ugwu%2C+AC&rft.creator=Nwobi%2C+IC&rft.creator=Eteudo%2C+AN&rft.creator=Ovuoba%2C+KN&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=The+study+was+conducted+to+determine+the+desirability+or+otherwise+of+mathematically+correcting+every+normal+foetal+head+shape+to+an+ideal+shape+prior+to+dating+using+the+biparietal+diameter+(BPD).+Transabdominal+Sonography+was+performed+in+118+pregnant+women+in+their+second-+and+third-+trimesters.+The+BPDs+and+fronto-occipital+diameters+(FODs)+were+measured.+A+study+of+100+foetuses+with+normal+head+shapes+was+used+to+derive+in+this+environment%2C+a+regression+equation+for+an+area+corrected+BPD+(BPDa)%3A+BPDa+%3D+-+2.+853+%2B+0.483+(BPD+%2B+FOD).+The+BPDa+of+18+foetuses+with+normal+head+shapes%2C++were+computed+with+this+equation.+Z+test+was+performed+to+compare+the+mean+BPD+and+Mean+BPDa.+Z+statistic+showed+no+significant+difference+(p%3E0.5)+between+BPDa+and+BPD+in+this+group+of+foetuses+with+normal+head+shapes.+There+is+no+need+to+mathematically+correct+normocephalic+foetal+head+shapes+to+ideal+shapes+before+dating+using+the+BPDs&rft.publisher=Dr.+B.S.+Kakkilaya&rft.contributor=Kakkilaya%2C+Dr.+Srinivas&rft.date=2008-07-21&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F6201%2F1%2F2008-2-5.pdf&rft.identifier=++Ugwu%2C+AC+and+Nwobi%2C+IC+and+Eteudo%2C+AN+and+Ovuoba%2C+KN++(2008)+The+Effect+Of+Normocephalic+Foetal+Skull+On+Foetal+Dating+Using+Biparietal+Diameter.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F6201%2F