title: Luteinized unruptured follicle syndrome in mild endometriosis. Assessment with biochemical parameters.
abstract: Failure to extrude an ovum, with subsequent luteinization of the unruptured follicle (LUF), has been proposed as a cause of infertility in women with mild endometriosis. To assess the incidence of this process we performed laparoscopies in the early luteal phase on 16 women with mild endometriosis and 8 control subjects. Peritoneal fluid was aspirated and a plasma sample obtained concurrently. Estradiol (E2) and progesterone (P) concentrations were determined. A review of the literature suggested that the following hormonal criteria correlated with follicular rupture: fluid E2 greater than or equal to 500 pg/ml, E2 fluid/plasma ratio greater than or equal to 3.1, fluid P greater than or equal to 3,000 ng/dl and P fluid/plasma ratio greater than or equal to 5:1. All control subjects met at least one E2 and one P criterion: 75% met all. In contrast, less than one-third with mild endometriosis met all, and three (19%) met none. Five met only E2 criteria. These findings suggest that LUF occurs occasionally in association with mild endometriosis. Additionally, ovarian steroidogenesis, particularly P secretion, was impaired frequently in the absence of LUF in women with endometriosis.
mesh_terms: D001202:Ascitic Fluid; D004715:Endometriosis / Q000209:etiology*; D004958:Estradiol / Q000032:analysis; D005260:Female; D006801:Humans; D008183:Luteal Phase; D010049:Ovarian Diseases / Q000150:complications*; D006080:Ovarian Follicle / Q000503:physiopathology*; D011374:Progesterone / Q000032:analysis
chemical_list: D011374:Progesterone; D004958:Estradiol