How does insulin affect fertility?

nsulin resistance is becoming one of the biggest obstacles to getting pregnant. A potential consequence of obesity and a risk factor for developing type 2 diabetes, insulin resistance occurs when muscle, fat, and liver cells do not respond efficiently to insulin, making it more difficult for the cells to absorb glucose from the bloodstream. That in turn leads to higher blood glucose levels and an even higher production of insulin.Insulin resistance contributes to infertility through a number of mechanisms. “Excess insulin shifts the sex hormone balance to promote testosterone production over estrogen production.