title: Recurrent hematuria during multiple pregnancies.
abstract: A 33-year-old woman presented left ureteral gross hematuria under two conditions: before the second trimester of her last three gestations, and after therapy with an oral contraceptive. We believe that left renal vein varicosities, influenced by mechanical and hormonal factors, produced the hematuria.
mesh_terms: D000328:Adult; D001510:Bed Rest; D003276:Contraceptives, Oral / Q000009:adverse effects; D005260:Female; D006417:Hematuria / Q000209:etiology* / Q000628:therapy; D006801:Humans; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000209:etiology* / Q000628:therapy; D011262:Pregnancy Trimester, Second; D012008:Recurrence
chemical_list: D003276:Contraceptives, Oral