Besides ovarian cyst what can be the reasons for 2missed periods negative beta test pregnancy symptoms i also have diabetes skipped periods?

Anovulation: In women with diabetes in particular, irregular or absent cycles is almost certainly related to a condition called pcos, or polycystic ovarian syndrome. This is releated to Insulin resistance and elevated androgen levels. The irregular bleeding, infertility or coarse male pattern hair growth are the reasons women seek help. It is important to evaluate because of the risk of endometrial cancer!