For reporting of the national standard, Method of birth, the following mapping is done:
Code 1 Spontaneous vertex is mapped to code 1 Spontaneous vaginal
Code 2 Forceps is mapped to code 2 Forceps (assisted vaginal birth)
Code 3 Vacuum extractor is mapped to code 5 Vacuum extraction
Code 4 LSCS and code 5 Classical CS are mapped to code 4 Caesarean section
Code 6 Vaginal breech is mapped to code 3 Vaginal breech
Code 7 Other cephalic (eg face, brow) and code 8 Other methods (eg transverse) are mapped to code 8 Other
Code 9 Not stated/unknown is mapped to code 9 Not stated
Queensland Perinatal Data Collection (QPDC):
The not stated/unknown code should only be assigned internally by QPDC.