Table 9-2
Live births, by characteristics of the mother and child, Canada — Weeks of gestation indicators

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Weeks of gestation indicators


Table summary
This table displays the results of weeks of gestation indicators. The information is grouped by characteristics of mother and child (appearing as row headers), live births, gestation and less than 37 weeks, calculated using less than 37 weeks, 37 to  41 weeks, 42 weeks or more, number and percent units of measure (appearing as column headers).
Characteristics of mother
and child		 Live births Gestation
Less than 37 weeks 37 to  41 weeks 42 weeks or more
  number percent
Age of mother, all agesNote 1 380,863 7.7 91.7 0.5
Under 20 years 15,638 7.4 91.8 0.7
20 to 34 years 295,390 7.3 92.0 0.5
35 to 49 years 69,702 9.4 90.0 0.5
Not statedNote 2 133 19.5 77.4 0.0
Total, parity of mother 380,863 7.7 91.7 0.5
First live birth 167,564 7.5 91.7 0.7
Second live birth 133,413 7.2 92.5 0.3
Third live birth or more 79,621 9.0 90.3 0.5
Not stated 265 10.9 78.5 0.8
Total, marital status of motherNote 3 380,863 7.7 91.7 0.5
Married and/or separated 230,269 7.5 92.0 0.5
Not married 107,412 7.8 91.5 0.6
Not stated 43,182 8.9 90.5 0.4
Total, birthplace of mother 380,863 7.7 91.7 0.5
Canada 276,873 7.9 91.5 0.5
Outside Canada 100,225 7.4 92.1 0.4
Not stated 3,765 7.8 91.1 0.4
Both sexes 380,863 7.7 91.7 0.5
Males 195,445 8.1 91.3 0.5
Females 185,418 7.3 92.1 0.5
Total 380,863 7.7 91.7 0.5
Single 368,156 6.1 93.3 0.5
Multiple 12,707 54.4 45.2 0.0
Total, birth weight 380,863 7.7 91.7 0.5
Less than 500 grams 289 91.3 0.3 0.0
500 to 1,499 grams 3,452 95.7 0.6 0.0
1,500 to 2,499 grams 19,552 64.6 35.3 0.0
2,500 to 4,499 grams 350,643 3.8 95.7 0.5
4,500 grams or more 6,697 0.6 97.3 2.0
Not stated 230 9.6 6.1 0.0
Note 1.

Age of mother attained at the last birthday preceding delivery.

Note 2.

For confidentiality reasons, live births to mothers aged 50 and over are included in the category "Age of mother, not stated." Where information is unavailable on the birth mother of children who are adopted, these records are included in the category "Age of mother, not stated."

Note 3.

Partway through 2003, Alberta Registries amended their Registration of Birth form in such a way that Statistics Canada can no longer determine the legal marital status of those persons in common-law marriages.

Note(s): See "Data quality, concepts and methodology — Explanatory notes for the tables".
Source(s): Statistics Canada, Canadian Vital Statistics, Birth Database (CANSIM table "http://www5.statcan.gc.ca/cansim/a03?&lang=eng&pattern=102-4513&p2=38" title="CANSIM table 102-4513">102-4513).
1.
Age of mother attained at the last birthday preceding delivery.
2.
For confidentiality reasons, live births to mothers aged 50 and over are included in the category "Age of mother, not stated." Where information is unavailable on the birth mother of children who are adopted, these records are included in the category "Age of mother, not stated."
3.
Partway through 2003, Alberta Registries amended their Registration of Birth form in such a way that Statistics Canada can no longer determine the legal marital status of those persons in common-law marriages.
Note(s):
See "Data quality, concepts and methodology — Explanatory notes for the tables".
Source(s):
Statistics Canada, Canadian Vital Statistics, Birth Database (CANSIM table 102-4513).
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