Study | Year | Country | Study type | Number of LFF | Number of SFF | Mean of GA (LFF) | SD (min–max) Of GA (LFF) | Mean of GA (SFF) | SD (min–max) Of GA (SFF) | Mean of Maternal Age (LFF) | SD (min–max) Of Maternal Age (LFF) |
---|---|---|---|---|---|---|---|---|---|---|---|
Burns W [12] | 2017 | USA | Retrospective cohort | 18 | 2875 | 14.3 | (-, -) 3.78 | 13.4 | (-, -) 3.33 | 37.3 | 5.90 |
Dabi Y [13] | 2018 | France | Prospective cohort | 58 | 295 | 12.6 | (27.5- 11.1) | - | (-, -) - | 34 | (35.7–40.1) |
Krishna I [14] | 2016 | USA | Retrospective cohort | 22 | 348 | 16.4 | (-, -) 4.2 | 17 | (-, -) 5.5 | 35 | (22–46) |
Miltoft CB [15] | 2019 | Denmark | Prospective cohort | 10 | 321 | - | (-, -) - | - | (-, -) - | 33.3 | 4.2 |
Nakamura N [16] | 2020 | Japan | Retrospective cohort | 23 | 2628 | 12.1 | (14.7– 10.0) 1.3 | 12.7 | (18.4 – 10.0) 1.6 | 38.6 | 2(34.8–43.4) |
Wang E [3] | 2013 | USA | Prospective cohort | 357 | 22384 | 13.9 | (-, -) 4.55 | 15.79 | (-, -) 4.55 | - | - |
Zhao Q [17] | 2019 | China | Prospective cohort | 42 | 2202 | 14.43 | (-, -) 4.20 | 16.95 / 16.57 | (26 – 12) 2.89 | - | - |
Study | Mean of Maternal Age (SFF) | SD (min–max) Of Maternal Age (SFF) | Mean of BMI (LFF) | SD (min–max) of BMI (LFF) | Mean of BMI (SFF) | SD (min–max) of BMI (SFF) | Mean of Maternal Weight (LFF) | SD (min–max) of Maternal Weight (LFF) | Mean of MW (SFF) | SD (min–max) of Maternal Weight (SFF) |
---|---|---|---|---|---|---|---|---|---|---|
Burns W [12] | 39.2 | 11.6 | 34.6 | (-, -) 8.90 | 26.4 | (-, -) 6.25 | - | (-, -) - | - | (-, -) - |
Dabi Y [13] | 34 | (29.6–37.1) | 29 | (32.9 – 22.3) - | 23.7 | (25.9—20.7) - | 77 | (90.3 -60) - | 64 | (70—56) - |
Krishna I [14] | 35 | (14–46) | 36.5 | (54.6- 22.9) - | 29.1 | (54.9 – 17.3) - | - | (-, -) - | - | (-, -) - |
Miltoft CB [15] | 32.7 | 4.2 | 19.5 | (24.2 –20.3) - | 21.8 | (24.2 – 20.3) - | - | (-, -) - | - | (-, -) - |
Nakamura N [16] | 39 | 2.6(24.8–49.1) | 20.9 | (29.1 – 15.7) 2.8 | 20.8 | (34.8 – 14.5) 2.6 | - | (-, -) - | - | (-, -) - |
Wang E [3] | - | - | - | (-, -) - | - | (-, -) - | 103 | (-284 32) - | 73 | (-, -) 8.66 |
Zhao Q [17] | - | 23.1/23.7 | (39.7 – 15.6) 3.6 | 23.1 | (-, -) 3.58 | - | (-, -) - | - | (-, -) - |