Table 2 Number of maternal deaths and maternal mortality ratio in 1990 and 2017 of China, by age group

10 to 14

76.4 (66.1–88.3)

6.8 (6.0–7.7)

NA

NA

15 to 19

1465.3 (1270.3–1675)

69.8 (60.7.5–81)

167.4 (145.1–191.4)

21.7 (18.8–25.1)

20 to 24

5903.8 (5266.6–6564.7)

245 (214.4.0–284.1)

53.3 (47.5–59.3)

6.1 (5.3–7)

25 to 29

6091.7 (5492.8–6736.2)

663.2 (597.7.5–735.7)

73.4 (66.2–81.1)

9.3 (8.3–10.3)

30 to 34

4609.2 (4142.5–5032)

617.2 (553.7.0–697.2)

183.1 (164.6–199.9)

17.1 (15.3–19.3)

35 to 39

3061.9 (2695.4–3418.1)

330 (297.7.5–370.1)

356 (313.4–397.5)

34.3 (30.9–38.4)

40 to 44

1037.1 (906.9–1180.3)

174.5 (156.6.0–198.1)

1130(988.2–1286.1)

58.3 (52.4–66.2)

45 to 49

295.3 (264.3–331.3)

101.6 (90.4.5–113.8)

1062.9 (951.4–1192.5)

201.5 (179.3–225.8)

50 to 54

74.5 (66.3–82.2)

32.5 (28.9.0–36.4)

NA

NA