Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Mean values of placental thickness(cm) in 3rd trimester 27–39 weeks (137 subjects)

From: Correlation of placental thickness with gestational age in second and third trimester using ultrasonography

3rd trimester	N	Mean ± SD
27	3 (2.19%)	2.87 ± 0.29
28	17 (12.40%)	2.99 ± 0.31
29	12 (8.76%)	2.96 ± 0.56
30	13 ( 9.48%)	3.22 ± 0.34
31	10 (7.30%)	3.45 ± 0.27
32	9 (6.56%)	3.20 ± 0.19
33	13 ( 9.49%)	3.19 ± 0.25
34	12 (8.76%)	3.45 ± 0.26
35	18 (13.14%)	3.44 ± 0.25
36	15 (10.95%)	3.35 ± 0.32
37	7 (5.11%)	3.32 ± 0.12
38	6 (4.38%)	3.30 ± 0.36
39	2 (1.46%)	3.40 ± 0.96
Total	137 ( 00%)	3.25 ± 0.36

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