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Table 2 Classification of pregnancy duration at entry to ANC, n = 85,034

From: Late entry to antenatal care in New South Wales, Australia

 

Frequency

Percentage (95%CI)

Developed country guideline

  

Within 12 weeks

50,527

59.4% (59.1–59.8%)

After 12 weeks

34,507

40.6% (40.2–40.9%)

WHO guideline

  

Within 17 weeks

71,108

83.6% (83.4%–83.8%)

After 17 weeks

13,926

16.4% (16.1–16.6%)

NSW classification

  

Within 20 weeks

76,678

90.2% (90–90.4%)

After 20 weeks

8,356

9.8% (9.6–10%)

Mean (weeks)

12.8

12.7–12.8

Median (weeks)

12

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