to study the presence of prostaglandin f2 alpha ( pgf2 alpha ) , prostacyclin ( pgi2 ) , and thromboxane a2 ( txa2 ) in the human ovary , follicular fluid samples were collected with puncture at laparoscopy in 17 women with pelvic endometriosis , 17 women with tubal occlusion and healthy ovaries , and 5 women with tubal occlusion and induced ovarian hyperstimulation between menstrual cycle days 8 and 18 .
C0029939
ovaries
C0025329
menstrual