Table 3.

Fundal height at the 10th, 50th, and 90th percentiles in centimeters between 20 and 40 weeks of gestation, derived from a quadratic regression model.

GA (wk)	Number of measurements	Fundal height (cm)
		Percentiles
		10th	50th	90th
20	166	16.2	18.7	21.1
21	144	17.6	19.9	22.3
22	119	19.1	21.3	23.6
23	123	20.4	22.5	24.7
24	266	21.7	23.7	25.9
25	235	22.8	24.7	26.8
26	126	24.0	25.9	27.9
27	142	25.1	26.9	28.9
28	349	26.1	28.0	30.0
29	268	26.9	28.8	30.7
30	352	28.0	29.8	31.8
31	336	28.6	30.5	32.5
32	438	29.5	31.4	33.5
33	386	30.1	32.0	34.2
34	409	30.8	32.8	35.0
35	391	31.2	33.4	35.6
36	473	31.8	34.0	36.4
37	739	32.2	34.5	37.0
38	840	32.5	35.0	37.6
39	762	32.8	35.4	38.1
40	459	33.0	35.8	38.6

GA: gestational age.