Table 2.

Serum lipids in pregnant women

	Trimester	x¯ ± s	Percentile
			2.5%	5%	10%	25%	50%	75%	90%	95%	97.5%
TC	First (n = 6802)	4.35 ± 0.77	3.01	3.2	3.44	3.83	4.29	4.8	5.32	5.64	5.97
	Second(n = 2878)	5.62 ± 1.09	3.76	4.01	4.29	4.84	5.53	6.36	7.07	7.50	7.87
TG	First (n = 6827)	1.09 ± 0.6	0.4	0.46	0.54	0.74	1.00	1.31	1.67	1.95	2.3
	Second (n = 2881)	1.96 ± 0.83	0.85	0.95	1.09	1.37	1.81	2.36	3.00	3.56	4.04
HDL	First (n = 6820)	1.8 ± 0.41	1.14	1.23	1.34	1.53	1.76	2.02	2.28	2.45	2.59
	Second (n = 2881)	2.03 ± 0.43	1.32	1.41	1.54	1.75	2.00	2.29	2.55	2.72	2.88
LDL	First (n = 6818)	2.25 ± 0.6	1.27	1.4	1.56	1.86	2.2	2.58	3.00	3.27	3.54
	Second (n = 2819)	3.14 ± 0.92	1.69	1.86	2.07	2.47	3.00	3.71	4.41	4.83	5.22

Abbreviations: TC total cholesterol, TG triglycerides, HDL-C high-density lipid cholesterol, LDL-C low-density lipid cholesterol