Do cortisone levels have anything to do with ones ability to become pregnant?

Cortisone is sometimes used as a drug to treat a variety of ailments. It can be administered intravenously or cutaneously.

One of cortisone's effects on the body, and a potentially harmful side effect when administered clinically, is the suppression of the immune system. This is an explanation for the apparent correlation between high stress and sicknessCortisone is less important than a similar steroid cortisol. Cortisol is responsible for 95% of the effects of the glucocorticosteroids while cortisone is about 4 or 5%. Corticosterone is even less important.