A new trial published in Reproductive Endocrinology has found that in polycystic ovary syndrome, vitamin D may have a minimal effect on insulin resistance and blood pressure, however further research is warranted.
Polycystic ovary syndrome (PCOS) is a complex condition that affects approximately 5% of women. The principal features of PCOS are lack of ovulation resulting in irregular periods, few or no periods, infertility, and ovaries with multiple cysts.
For reasons still not fully understood, insulin resistance is common in women with PCOS. Insulin resistance is a condition in which cells fail to respond to the action of the hormone insulin. This causes increased insulin production and leads to unhealthily high blood sugar and insulin levels.