Polycystic ovary syndrome. PCOS is the most common endocrine disorder, with a prevalence of 6-10%.It is also the most common cause of irregular menstrual bleeding, oligomenorrhea, or amenorrhea, associated with hyperandrogenism. Oligomenorrhea is defined as menstrual cycles occurring more than 35 days to 3 months apart.
Cubital and Radial Tunnel Syndrome. In this article. Cubital tunnel syndrome and radial tunnel syndrome aren't as familiar as their better-known relative -- carpal tunnel syndrome -- but they also can cause severe pain, numbness, tingling, and muscle weakness in the hands and arms.
Radial tunnel syndrome is the compression of the radial nerve in the forearm. Cubital tunnel syndrome or âtennis elbowâ is the compression of ulnar nerve at the elbow. Leaning on the elbow or prolonged flexion of the elbow may produce this syndrome. Peroneal nerve compression.