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Pregnancy duration at the first antenatal care visit

Data Item category

Health services - Antenatal care

Collections containing the item

Data definitions

Definitions:
METeOR: The total number of completed weeks of a pregnancy's estimated duration on the day of first antenatal care. The day of the first antenatal visit for antenatal care is the day of the first contact with a midwife, medical practitioner or other recognised health professional where antenatal care was provided. Does not include contact if it was to confirm a pregnancy only or those contacts that occurred during pregnancy that related to other non pregnancy related issues. It does not include the first contact after onset of labour. Antenatal care visits are attributed to the pregnant woman. The duration of the pregnancy on that day is the same as the gestational age of the fetus/baby on that day.
S/T Perinatal Data Collections:
NSW: The duration of pregnancy (in completed weeks) at the time of first comprehensive booking or assessment by a clinician for antenatal care. This includes: history, antenatal screening, clinical assessment and pathology. VIC: The number of completed weeks gestation at the time of the first antenatal visit (excluding a consultation for confirmation of pregnancy) as measured from the first day of the last normal menstrual period. OTHER S/T: No definition specified.
Descriptions:
QLD: Record the number of completed weeks of the current pregnancy when the mother had her first contact for antenatal care. The first contact for antenatal care is the first contact with a doctor or nurse where actual pre-birth maternity care was provided. It does not include a contact if it was to confirm the pregnancy only or those contacts that occurred during the pregnancy that related to other non pregnancy related issues. WA: This is the total number of completed weeks of a pregnancy's estimated duration at the first presentation for antenatal care. The ‘first’ presentation for antenatal care is the ‘first’ contact with a doctor or midwife where actual antenatal care was provided. It does not include a contact if it was to confirm the pregnancy only or those contacts that related to other non pregnancy related issues.

Additional information

NT collect date of first antenatal visit and EDC; therefore are able to calculate the gestation at the first visit antenatal visit. Births and Deaths Registration Collections only collect this item for stillbirths (Birth Register) and neonatal deaths (Death Register).

Related items

No related items.

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