Sách Quá trình phát triển của thai nhi

Gestational age Length (US) Weight (US) Length (cm) Mass (g)

(crown to rump) (crown to rump)

8 weeks 0.63 inch 0.04 ounce 1.6 cm 1 gram

9 weeks 0.90 inch 0.07 ounce 2.3 cm 2 grams

10 weeks 1.22 inch 0.14 ounce 3.1 cm 4 grams

11 weeks 1.61 inch 0.25 ounce 4.1 cm 7 grams

12 weeks 2.13 inches 0.49 ounce 5.4 cm 14 grams

13 weeks 2.91 inches 0.81 ounce 7.4 cm 23 grams

14 weeks 3.42 inches 1.52 ounce 8.7 cm 43 grams

15 weeks 3.98 inches 2.47 ounces 10.1 cm 70 grams

16 weeks 4.57 inches 3.53 ounces 11.6 cm 100 grams

17 weeks 5.12 inches 4.94 ounces 13 cm 140 grams

18 weeks 5.59 inches 6.70 ounces 14.2 cm 190 grams

19 weeks 6.02 inches 8.47 ounces 15.3 cm 240 grams

20 weeks 6.46 inches 10.58 ounces 16.4 cm 300 grams

(crown to heel) (crown to heel)

20 weeks 10.08 inches 10.58 ounces 25.6 cm 300 grams

21 weeks 10.51 inches 12.70 ounces 26.7 cm 360 grams

22 weeks 10.94 inches 15.17 ounces 27.8 cm 430 grams

23 weeks 11.38 inches 1.10 pound 28.9 cm 501 grams

24 weeks 11.81 inches 1.32 pound 30 cm 600 grams

25 weeks 13.62 inches 1.46 pound 34.6 cm 660 grams

26 weeks 14.02 inches 1.68 pound 35.6 cm 760 grams

27 weeks 14.41 inches 1.93 pound 36.6 cm 875 grams

28 weeks 14.80 inches 2.22 pounds 37.6 cm 1005 grams

29 weeks 15.2 inches 2.54 pounds 38.6 cm 1153 grams

30 weeks 15.71 inches 2.91 pounds 39.9 cm 1319 grams

31 weeks 16.18 inches 3.31 pounds 41.1 cm 1502 grams

32 weeks 16.69 inches 3.75 pounds 42.4 cm 1702 grams

33 weeks 17.20 inches 4.23 pounds 43.7 cm 1918 grams

34 weeks 17.72 inches 4.73 pounds 45 cm 2146 grams

35 weeks 18.19 inches 5.25 pounds 46.2 cm 2383 grams

36 weeks 18.66 inches 5.78 pounds 47.4 cm 2622 grams

37 weeks 19.13 inches 6.30 pounds 48.6 cm 2859 grams

38 weeks 19.61 inches 6.80 pounds 49.8 cm 3083 grams

39 weeks 19.96 inches 7.25 pounds 50.7 cm 3288 grams

40 weeks 20.16 inches 7.63 pounds 51.2 cm 3462 grams

41 weeks 20.35 inches 7.93 pounds 51.7 cm 3597 grams

42 weeks 20.28 inches 8.12 pounds 51.5 cm 3685 grams

43 weeks 20.20 inches 8.19 pounds 51.3 cm 3717 grams

Tuân thứ nhât

Lúc này bạn chưa thụ thai, có the bạn đang thây kinh. Tuy nhiên, tuân này van được tính là

tuân dâu tiên của chu ky thai nghén 40 tuân.