<prompt> Lutein and theca lutein cysts may be associated with all the following exceptMoleChoriocarcinomaStein-leventhal syndromePCOSPregnancy  <response>: - Theca lutein cysts are present because of high HCG. - These are seen in : Molar pregnancy, Choriocarcinoma, Twin pregnancies, Chronic renal failure due to decreased hCG clearance Hypehyroidism due to structural homoly between hCG and TSH - PCOS is not associated with theca lutein cysts. In fact, PCOS has NO CYSTS. - PCOS is associated with anovulation and hyperandrogenesim. 