Table 1.

Genetic variants associated with menstrual cycle length

Region	Nearest gene(s)	SNP	Alleles, other allele/effect allele (EAF)	UKBB		EGCUT		Meta-analysis
				Effect (SD of the binned menstrual cycle length)	P-value	Effect (SD of the binned menstrual cycle length)	P	P	P heterogeneity
11:30226528	FSHB	rs11031006	A/G (0.86)	−0.16 (0.01)	1.1 × 10−38	−0.06 (0.02)	6.6 10−4	3.6 10−36	3.7 × 10−6
1:199891438	NR5A2	rs6670899	A/C (0.57)	−0.05 (0.01)	1.1 × 10−10	−0.04 (0.01)	4.7 10−4	6.6 10−13	0.43
8:25248615	DOCK5/ GNRH1	rs13261573	A/G (0.75)	−0.07 (0.01)	1.7 × 10−11	−0.02 (0.01)	7.0 10−2	1.2 10−10	0.02
11:101044203	PGR/PGR-AS1	rs471811	C/T (0.31)	−0.03 (0.01)	4.8 × 10−5	−0.06 (0.01)	6.3 10−5	3.0 10−8	0.33
11:2118860	IGF2/INS-IGF2	rs11042596	G/T (0.34)	0.04 (0.01)	1.1 × 10−7	0.02 (0.01)	3.5 10−2	4.5 10−8	0.21

SD - standard deviation.