In the case of Polycystic Ovarian Syndrome, excess insulin causes the ovaries to produce excess testosterone, which can prevent ovulation and result in infertility. High insulin levels can also increase the conversion of testosterone into estrogen, which affects weight gain and the formation of ovarian cysts.5 Excess glucose is stored in fat cells that continue to pump out excess estrogen, further destabilizing the hormone system. In the vascular system, insulin increases the risk of heart disease and it is a known precursor to diabetes.6 Unfortunately, these risks increase as a woman ages.
Excess insulin. Insulin is the hormone produced in the pancreas that allows cells to use sugar, your body's primary energy supply. If your cells become resistant to the action of insulin, then your blood sugar levels can rise and your body might produce more insulin. Excess insulin might increase androgen production, causing difficulty with ovulation.
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