Birth event—birth presentation, code N

Identifying and definitional attributes

• Health, Standard 17/12/2021

Perinatal.

Presentation types other than vertex are associated with higher rates of caesarean section, instrumental birth, perinatal mortality and neonatal morbidity.

Value domain attributes

Representational attributes

Source and reference attributes

Data element attributes

Collection and usage attributes

CODE 1 Vertex

Presentation at birth is the upper back part of the fetal head. That is, the occiput is the point of reference.

CODE 2 Breech

Presentation at birth is the buttocks or legs. Includes breech with extended legs, breech with flexed legs, footling and knee presentations.

CODE 3 Face

Presentation at birth is the face. That is, the fetal head is hyper-extended and the area of the head below the root of the nose and the orbital ridge is at the cervical os.

CODE 4 Brow

Presentation at birth is the brow. That is, the fetal head is partly extended and the area of the head between the anterior fontanelle and the root of the nose is at the cervical os.

CODE 8   Other

Includes compound presentations (where an extremity prolapses simultaneously alongside the presenting part) and all other malpresentations, for example, cord, shoulder or hand.

Source and reference attributes

National Perinatal Data Development Committee

Relational attributes