The Effect of Omega-3 Docosahexaenoic Acid Supplementation on Gestational Length: Randomized Trial of Supplementation Compared to Nutrition Education for Increasing n-3 Intake from Foods

Table 4

Birth weight and gestational age by intervention group¹ (mean ± sem).

	Birth weight (g)	Birth length (cm)	Head circumference (cm)	Gestational age (days)	Postterm birth ()	Induced labor >40 W; (%)	Induced labor >41 W; (%)
CON	3165.0 ± 44.96	49.41 ± 0.25	33.90 ± 0.20	271.6 ± 1.2^a,b	1	8 (7.1)	6 (5.3)
300	3220.91 ± 47.78	49.92 ± 0.31	34.23 ± 0.21	275.0 ± 1.3	1	6 (5.4)	4 (4.5)
600	3210.56 ± 46.01	49.97 ± 0.30	33.99 ± 0.20	275.6 ± 1.3^a	1	4 (3.4)	0
NEd	3218.89 ± 39.93	49.42 ± 0.25	33.77 ± 0.17	276.5 ± 1.1^b	2	10 (5.2)	3 (1.6)

Birth weight, birth length, head circumference, and gestational age were adjusted for ethnicity and maternal prepregnancy weight.
Values sharing superscripts are significantly different.
CON; control; 300: 300 mg DHA/day; 600: 600 mg DHA/day; NEd: nutrition education.