Effect of vitamin supplementation on polycystic ovary syndrome and key pathways implicated in its development: A Mendelian randomization study

Table 3 Mendelian randomization PRESSO estimates for effect of vitamin supplements on risk of polycystic ovary syndrome and its risk factors

Exposure trait	Outcome trait	N	Beta	P value
Vitamin D	PCOS	172	-0.092	0.645
Vitamin D	Hyperlipidaemia	169	-0.141	0.126
Vitamin D	Obesity	174	-0.031	0.618
Vitamin D	Insulin resistance	117	-0.005	0.789
Vitamin B12	PCOS	6	-0.284	0.005
Vitamin B12	Hyperlipidaemia	6	-0.103	0.063
Vitamin B12	Obesity	6	-0.088	0.048
Vitamin B12	Insulin resistance	6	-0.015	0.319

PCOS: Polycystic ovary syndrome.