- | Actual place of birth | Number
[1]
| 1 | Hospital, excluding birth centre | 2 | Birth centre, attached to hospital | 3 | Birth centre, free standing | 4 | Home | 5 | Born before arrival | 6 | Community, non-medical | 8 | Other | 9 | Not stated/inadequately described |
| |
- | Method of birth | Number
[1]
| 1 | Vaginal—non-instrumental | 2 | Vaginal—forceps | 4 | Caesarean section | 5 | Vaginal—vacuum extraction | 9 | Not stated/inadequately described |
| |
- | Presentation at birth | Number
[1]
| 1 | Vertex | 2 | Breech | 3 | Face | 4 | Brow | 8 | Other | 9 | Not stated/inadequately described |
| |
- | Caesarean delivery type | Number
[1]
| | |
- | Caesarean urgency type | Number
[1]
| | |
- | Intended place of birth | Number
[1]
| 1 | Hospital, excluding birth centre | 2 | Birth centre, attached to hospital | 3 | Birth centre, free standing | 4 | Home | 5 | Born before arrival | 6 | Community, non-medical | 8 | Other | 9 | Not stated/inadequately described |
| |
- | Type of augmentation of labour | Number
[1]
| 0 | None | 1 | Oxytocin | 2 | Prostaglandins | 3 | Artificial rupture of membranes (ARM) | 4 | Other | 5 | Not stated |
| |
- | Labour induction method | Number
[2]
| 1 | Oxytocin | 2 | Prostaglandins | 3 | Artificial rupture of membranes (ARM) | 6 | Mechanical cervical dilatation | 7 | Antiprogestogen | 88 | Other | 99 | Not stated/inadequately described |
| |
- | Labour onset type | Number
[1]
| 1 | Spontaneous | 2 | Induced | 3 | No labour | 9 | Not stated/inadequately described |
| |
- | Method of birth for last birth event, mode of birth for last birth event | Number
[1]
| 1 | Vaginal | 2 | Caesarean section | 9 | Not applicable |
| |
- | Main indication for caesarean section | Number
[2]
| 1 | Fetal compromise | 2 | Suspected fetal macrosomia | 3 | Malpresentation | 10 | Lack of progress; less than or equal to 3 cm cervical dilatation | 11 | Lack of progress in the first stage; greater than 3 cm to less than 10 cm cervical dilatation | 12 | Lack of progress in the second stage | 13 | Placenta praevia | 14 | Placental abruption | 15 | Vasa praevia | 16 | Antepartum/intrapartum haemorrhage | 17 | Multiple pregnancy | 18 | Unsuccessful attempt at assisted delivery | 19 | Cord prolapse | 20 | Previous adverse perinatal outcome | 21 | Previous caesarean section | 22 | Previous severe perineal trauma | 23 | Previous shoulder dystocia | 29 | Other obstetric, medical, surgical, psychological indications | 30 | Maternal choice in the absence of any obstetric, medical, surgical, psychological indications | 99 | Not stated/inadequately described |
| |
- | Principal accoucheur | Number
[1]
| 1 | Obstetrician | 2 | Hospital medical officer | 3 | Midwife | 4 | GP Obstetrician | 5 | Other |
| |
- | Type of anaesthesia administered during a birth event | Number
[2]
| 2 | Local anaesthetic to perineum | 3 | Pudendal block | 4 | Epidural or caudal block | 5 | Spinal block | 6 | General anaesthesia | 7 | Combined spinal-epidural block | 88 | Other anaesthesia | 99 | Not stated/inadequately described |
| |
- | Type of analgesia administered during a birth event | Number
[2]
| 2 | Nitrous oxide | 4 | Epidural or caudal block | 5 | Spinal block | 6 | Systemic opioids | 7 | Combined spinal-epidural block | 88 | Other analgesia | 99 | Not stated/inadequately described |
| |
- | Admission date | Date/Time
[8]
| DDMMYYYY
The day of a particular month and year. | |
- | Admitted patient election status | Number
[1]
| | |
- | Separation date | Date/Time
[8]
| DDMMYYYY
The day of a particular month and year. | |
- | Trasnfer date | Date/Time
[8]
| DDMMYYYY
The day of a particular month and year. | |
- | Alcohol consumption after 20 weeks of pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Alcohol consumption frequency after 20 weeks of pregnancy | Number
[1]
| 0 | Never | 1 | Monthly or less | 2 | 2–4 times a month | 3 | 2–3 times a week | 4 | 4 or more times a week | 9 | Not stated/inadequately described |
| |
- | Alcohol consumption frequency in first 20 weeks of pregnancy | Number
[1]
| 0 | Never | 1 | Monthly or less | 2 | 2–4 times a month | 3 | 2–3 times a week | 4 | 4 or more times a week | 9 | Not stated/inadequately described |
| |
- | Alcohol consumption in the first 20 weeks of pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Antenatal testing type | Number
[1]
| 1 | None | 2 | First trimester Down's syndrome | 3 | Second trimester Down's syndrome | 4 | Amniocentesis | 5 | Chorionic villus | 6 | Gestational diabetes | 7 | Group B Streptococcus (GBS) | 8 | Level 2 ultrasound | 9 | Non-invasive prenatal testing |
| |
- | Caesarean section at any previous birth indicator | Number
[1]
| 1 | Yes | 2 | No | 7 | Not applicable | 9 | Not stated/inadequately described |
| |
- | Influenza vaccination during pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Intending to breastfeed indicator | Number | 1 | Yes | 2 | No | 3 | Not sure | 9 | Not stated/inadequately described |
| |
- | Marijuana smoking during pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Mother's discharge status | Number
[1]
| 1 | Discharged | 2 | Transferred | 3 | Died |
| |
- | Neonatal death at any previous birth indicator | Number
[1]
| 1 | Yes | 2 | No | 7 | Not applicable | 9 | Not stated/inadequately described |
| |
- | Antenatal care visits | Number
[2]
| 99 | Not stated/inadequately described |
| |
- | Number of caesarean sections | Number
[2]
| 99 | Not stated/Inadequately described |
| |
- | Number of previous neonatal deaths | Number
[2]
| 99 | Not stated/Inadequately described |
| |
- | Number of standard drinks consumed when drinking alcohol after 20 weeks of pregnancy | Number
[3]
| 998 | Occasional drinking (less than one) | 999 | Not stated/inadequately described | | |
| |
- | Number of standard drinks consumed when drinking alcohol in the first 20 weeks of pregnancy | Number
[3]
| 998 | Occasional drinking (less than one) | 999 | Not stated/inadequately described | | |
| |
- | Number of tobacco cigarettes smoked per day after 20 weeks of pregnancy | Number
[3]
| 998 | Occasional smoking (less than one) | 999 | Not stated/inadequately described | | |
| |
- | Number of tobacco cigarettes smoked per day in the first 20 weeks of pregnancy | Number
[3]
| 998 | Occasional smoking (less than one) | 999 | Not stated/inadequately described | | |
| |
- | Parity | Number
[2]
| | |
- | Pertussis vaccination during pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Postpartum perineal status | Number
[2]
| 1 | Intact | 2 | 1st degree laceration/vaginal graze | 3 | 2nd degree laceration | 4 | 3rd degree laceration | 5 | Episiotomy | 7 | 4th degree laceration | 88 | Other perineal laceration, rupture or tear | 99 | Not stated/inadequately described |
| |
- | Recreational drug use during pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Timing of influenza vaccination during pregnancy | Number
[1]
| 1 | 1st trimester | 2 | 2nd trimester | 3 | 3rd trimester | 9 | Not stated/inadequately described |
| |
- | Timing of pertussis vaccination during pregnancy | Number
[1]
| 1 | 1st trimester | 2 | 2nd trimester | 3 | 3rd trimester | 9 | Not stated/inadequately described |
| |
- | Tobacco smoking after 20 weeks of pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Tobacco smoking in the first 20 weeks of pregnancy indicator | Boolean
[1]
| 1 | Yes | 2 | No | 9 | Not stated/inadequately described |
| |
- | Transfer reason prior to delivery | Number
[1]
| 1 | No transfer | 2 | Hospital to hospital | 3 | Birth centre to hospital | 4 | Home to hospital |
| |
- | Vitamin supplement taken during pregnancy | Number
[1]
| 1 | None | 2 | Iron | 3 | Iodine | 4 | Vitamin D | 5 | Folate, pre-conceptually | 6 | Folate, post-conceptually | 7 | Multi vitamins (pregnancy) | 8 | Multi vitamins (other) |
| |
- | Date of death | Date/Time
[8]
| DDMMYYYY
The day of a particular month and year. | |
- | Height (self-reported) | Number
[3]
| 888 | Unknown | 999 | Not stated/inadequately described |
| |
- | Weight (self-reported) | Number
[3]
| | |
- | Assisted reproductive technology pregnancy | Boolean
[1]
| | |
- | Estimate date of confinement determination method | Number
[1]
| 1 | Known conception | 2 | Known date of last menstrual period | 3 | Ultrasound <= 12 weeks | 4 | Ultrasound > 12 weeks |
| |
- | Estimate date of confinement | Date/Time
[8]
| DDMMYYYY
The day of a particular month and year. | |
- | Pregnancy duration at the first antenatal care visit | Number
[2]
| | |
- | Active resuscitation of baby method | Number
[2]
| 2 | Suction | 3 | Oxygen therapy | 7 | Intermittent positive pressure ventilation (IPPV) | 8 | Continuous positive airway pressure (CPAP) ventilation | 10 | Intubation | 11 | External cardiac compressions | 88 | Other | 99 | Not stated/inadequately described |
| |
- | Admission to SCN/NICU | Boolean
[1]
| | |
- | Apgar score at 1 minute | String
[2]
| 00-10 | Apgar score | 99 | Not stated/inadequately described |
| |
- | Apgar score at 5 minutes | String
[2]
| 00-10 | Apgar score | 99 | Not stated/inadequately described |
| |
- | Birth order | Number
[1]
| 1 | Singleton or first of a multiple birth | 2 | Second of a multiple birth | 3 | Third of a multiple birth | 4 | Fourth of a multiple birth | 5 | Fifth of a multiple birth | 6 | Sixth of a multiple birth | 8 | Other | 9 | Not stated/inadequately described |
| |
- | Status of the baby | Number
[1]
| 1 | Live birth | 2 | Stillbirth (fetal death) | 9 | Not stated/inadequately described |
| |
- | Birthweight of baby | Number
[4]
| 9999 | Not stated/inadequately described |
| |
- | Baby head circumference | Number
[4]
| | |
- | Cord ph | Number
[1]
| 1 | < 7.2 | 2 | >= 7.2 | 9 | Not stated/not done |
| |
- | Gestational age | Number
[2]
| | |