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Table 1 Prevalence of overall and individual opioids use during pregnancy among pregnancies ending with deliveries (n = 249,234), 1998–2015

From: Prevalence and duration of prescribed opioid use during pregnancy: a cohort study from the Quebec Pregnancy Cohort

year

Overall (%)

Codeine

Morphine

Hydromorphone

Oxycodone

%

% of overall

%

% of overall

%

% of overall

%

% of overall

1998

3.93

3.35

85.09

0.029

0.73

0.11

2.92

0.022

0.55

1999

4.43

3.69

83.11

0.034

0.78

0.18

4.03

0.044

0.99

2000

4.97

4.12

82.90

0.032

0.64

0.22

4.43

0.038

0.77

2001

4.99

3.94

78.99

0.061

1.23

0.31

6.27

0.045

0.90

2002

4.81

3.89

80.78

0.092

1.91

0.42

8.78

0.086

1.78

2003

5.12

3.92

76.49

0.140

2.73

0.58

11.28

0.109

2.12

2004

5.80

4.25

73.18

0.185

3.19

0.56

9.57

0.176

3.03

2005

5.99

4.33

72.31

0.300

5.01

0.59

9.78

0.217

3.62

2006

5.63

4.06

72.08

0.342

6.08

0.57

10.21

0.263

4.68

2007

5.81

3.73

64.31

0.367

6.32

0.66

11.34

0.308

5.30

2008

5.75

3.83

66.55

0.430

7.47

0.71

12.39

0.417

7.26

2009

6.08

3.89

63.97

0.595

9.78

0.66

10.88

0.376

6.18

2010

5.70

3.45

60.55

0.685

12.02

0.62

10.92

0.361

6.33

2011

5.83

3.37

57.73

0.935

16.03

0.66

11.25

0.543

9.31

2012

6.02

3.22

53.42

1.061

17.62

0.77

12.76

0.467

7.75

2013

5.89

2.90

49.27

1.198

20.36

0.89

15.04

0.425

7.21

2014

5.58

2.57

46.06

1.407

25.22

0.86

15.30

0.482

8.65

2015

5.52

2.30

41.71

1.408

25.50

1.08

19.49

0.444

8.05