Table 1.

General data for five SNPs as instrumental variables.

SNP for IV					Miscarriage (outcome)				Follistatin (exposure)
Chr	Position	SNP ID	EA	OA	Beta	EAF	SE	p value	Beta	EAF	SE	p value	R2
9	92228559	rs10908903	G	T	-1.43E-04	0.4677	0.0106	0.2850	0.0603	0.4587	0.0109	2.76E-08	3.43E-03
2	27730940	rs1260326	C	T	1.05E-04	0.6069	0.0107	0.4381	-0.1323	0.6024	0.0106	9.58E-36	3.21E-03
15	43726625	rs150844304	C	A	-5.26E-04	0.0245	0.0109	0.2187	0.2466	0.0294	0.0321	1.46E-14	6.98E-04
5	53327571	rs31226	C	T	2.62E-04	0.6064	0.0123	0.0541	-0.1289	0.5979	0.0107	1.56E-33	7.87E-04
12	57791833	rs7974833	C	T	9.15E-05	0.2367	0.0321	0.5561	0.0849	0.2350	0.0123	5.61E-12	1.55E-04

Chr, chromosome; SNP, single-nucleotide polymorphism; EA, effect allele; OA, other allele; EAF, effect allele frequency; SE, standard error.