Table 2.

Characteristics of Fetuses with non-pulmonary Diseases Used as Controls

Number	Fetal Age (weeks)	Sex	Syndrome	Body Weight (g)	Lung Weight-to-Body Weight Ratio
35	9	M	Brachio-oto-renal syndrome	3.3	ND
36	11	F	Cystic Hygroma	19.2	ND
37	12	F	Inencephaly	16	0.037
38	14	M	Cloacal defect	150	0.024
39	15	M	Hydrops	87	0.013
40	16	F	Brain anomaly	173	0.046
41	16	F	Thanatophoric dwarfism	143	0.026
42	18	M	Spina bifida	253	0.031
43	21	M	Omphalocele	530	0.022
44	21	M	Osteogenesis imperfecta	510	0.023
45	23	M	Holoprosencephaly	800	0.025
46	23	F	Brain anomaly	795	0.017
47	23	M	Hydrops	1100	0.021
48	23	M	In utero death	810	0.019
49	24	M	Limb	940	0.027
50	24	M	Ectrodactily	760	0.0255
51	24	M	Brain anomaly	790	0.024
52	25	M	Limb	1050	0.027
53	25	M	Brain anomaly	900	0.024
54	26	F	Arthrogriposis	1100	0.017
55	27	M	Brain anomaly	420	0.072
56	28	M	Brain anomaly	1430	0.023
57	29	F	Brain anomaly	1400	0.026
58	30	F	Bourneville disease	1700	0.0205
59	30	M	Brain anomaly	1780	0.023
60	31	M	Osteochondrodysplasia	1400	0.016
61	31	F	Brain anomaly	2300	0.016
62	33	M	Distal arthrogryposis	2560	0.016
63	33	M	Trisomy 21	2450	0.026
64	34	M	Brain anomaly	2450	0.023
65	35	F	Hydrocephaly	2500	0.018
66	35	M	Chondrodysplasia	3170	0.0157
67	36	F	Holoprosencephaly	1600	0.021
68	36	F	Holoprosencephaly	1800	0.022
69	37	F	Spina Bifida	3140	0.017