Table 1.

The results of L/S ratio and LBC with 33 amniotic fluid samples

No.	L/S ratioa	LBCb (×109/L)	Sampling GWc	FLMd outcome
1	1.84	1	18	—
2	1.50	2	18	—
3	1.57	2	18	—
4	1.94	2	18	—
5	1.30	2	18	—
6	2.27	1	18	—
7	1.71	2	18	—
8	5.05	75	32	Premature
9	1.99	48	35	Premature
10	2.13	56	36	Premature
11	15.24	65	36	Premature
12	33.92	57	39	Mature
13	45.71	57	38	Mature
14	99.69	58	37	Mature
15	63.11	56	36	Mature
16	96.00	53	35	Mature
17	57.81	55	38	Mature
18	41.36	55	37	Mature
19	49.58	52	37	Mature
20	61.14	57	39	Mature
21	26.76	58	36	Mature
22	54.35	48	39	Mature
23	58.40	56	39	Mature
24	55.85	56	37	Mature
25	107.17	60	39	Mature
26	65.10	60	37	Mature
27	112.93	55	37	Mature
28	18.88	53	37	Mature
29	40.81	56	39	Mature
30	46.72	53	37	Mature
31	61.20	56	37	Mature
32	33.92	53	38	Mature
33	59.32	82	37	Mature

^aL/S ratio: lecithin/sphingomyelin ratio.

^bLBC: lamellar body counts.

^cGW: gestational week.

^dFLM: fetal lung maturity.