Table 1 Maternal demographic and clinical characteristics

16,345

16,909

17,356

14,193

10,097

9,572

9,521

9,891

16,321

16,909

17,355

14,193

10,089

9,571

9,512

9,881

1,731 (10.6)

1,686 (10.0)

1,719 (9.9)

1,334 (9.4)

211 (2.1)

178 (1.9)

192 (2.0)

189 (1.9)

14,557 (89.2)

15,186 (89.8)

15,609 (89.9)

12,836 (90.4)

9,861 (97.7)

9,368 (97.9)

9,286 (97.6)

9,660 (97.8)

33 (0.2)

37 (0.2)

27 (0.2)

23 (0.2)

17 (0.2)

25 (0.3)

34 (0.4)

32 (0.3)

16,160

16,755

17,283

14,181

10,093

9,571

9,497

9,872

3,666 (22.7)

3,398 (20.3)

2,981 (17.2)

2,085 (14.7)

391 (3.9)

288 (3.0)

268 (2.8)

250 (2.5)

5,751 (35.6)

5,556 (33.2)

5,474 (31.7)

4,394 (31.0)

1,845 (18.3)

1,633 (17.1)

1,613 (17.0)

1,692 (17.1)

5,560 (34.4)

6,275 (37.5)

7,009 (40.6)

5,986 (42.2)

6,009 (59.5)

5,793 (60.5)

5,686 (59.9)

5,753 (58.3)

1,183 (7.3)

1,526 (9.1)

1,819 (10.5)

1,716 (12.1)

1,848 (18.3)

1,857 (19.4)

1,930 (20.3)

2,177 (22.1)

16,318

16,906

16,918

14,192

10,097

9,571

9,517

9,888

6,738 (41.3)

7,257 (42.9)

7,473 (44.2)

6,153 (43.4)

4,897 (48.5)

4,707 (49.2)

4,612 (48.5)

4,598 (46.5)

8,407 (51.5)

8,496 (50.3)

8,392 (49.6)

7,214 (50.8)

4,902 (48.5)

4,621 (48.3)

4,667 (49.0)

5,047 (51.0)

1,173 (7.2)

1,153 (6.8)

1,053 (6.2)

825 (5.8)

298 (3.0)

243 (2.5)

238 (2.5)

243 (2.5)

16,341

16,901

17,215

14,148

10,096

9,556

9,518

9,883

16,308 (99.8)

16,886 (99.9)

17,205 (99.9)

14,142 (100.0)

10,095 (100.0)

9,556 (100.0)

9,516 (100.0)

9,869 (99.9)

33 (0.2)

15 (0.1)

10 (0.1)

6 (0.0)

1 (0.0)

0 (0.0)

2 (0.0)

14 (0.1)