Table 1. Maternal and fetal genome-wide significant, and suggestive, association of maternal and neonatal transformed 25-hydroxyvitamin D levels.

Chromosome	SNP	Gene	Vitamin D	Genetics	β	SE	P
12	rs4149056	SLCO1B1	Maternal	Maternal	−0.58	0.12	2.7 × 10−7
10	rs11528045	HTR7	Maternal	Maternal	0.53	0.11	5.4 × 10−7
11	rs6486205	CYP2R1	Maternal	Maternal	0.40	0.09	1.9 × 10−6
4	rs4588	GC	Neonatal	Fetal	−0.62	0.11	3.1 × 10−8
2	rs11690195	MMADHC-RND3	Neonatal	Fetal	−0.47	0.10	2.3 × 10−6
13	rs9527875	DIAPH3 - PCDH17	Neonatal	Maternal	0.59	0.11	6.9 × 10−8
4	rs72650824	CXCL8-CXCL6	Neonatal	Maternal	1.53	0.30	6.7 × 10−7
7	rs205761	in LINC00513, near MKLN1	Neonatal	Maternal	0.50	0.10	7.6.10−7
16	rs2541497	TEKT5	Neonatal	Maternal	0.53	0.11	1.4 × 10−6
18	rs1550598	DOK6	Neonatal	Maternal	0.53	0.11	2.6 × 10−6
8	rs7837124	c8orf34	Neonatal	Maternal	1.61	0.34	2.7 × 10−6
1	rs490379	PKN2	Neonatal	Maternal	0.75	0.16	4.1 × 10−6
1	rs17666424	ACKR1	Maternal	Fetal	0.59	0.13	2.9 × 10−6
3	rs2336664	STIMATE- TMEM110	Maternal	Fetal	0.42	0.09	2.0 × 10−6
8	rs7015627	MED30	Maternal	Fetal	0.66	0.14	1.9 × 10−6

Vitamin D levels were normalized with a square root transformation, and adjusted for maternal and neonatal confounding factors. The analysis was performed in the autism spectrum disorder/control discovery sample. Genome-wide significantly associated SNPs are shown in bold.