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We sought to evaluate two common fluids placed in the pelvis after pelvic surgery for their ability to remain in the pelvis for a time thought adequate for prevention of adhesions. Thirteen patients undergoing operative laparoscopy were randomized to receive 250 ml 32% dextran 70 (Hyskon), 250 mllactated Ringer's solution, or no fluid (control) at the end of surgery. Serial transvaginal ultrasonograms were obtained at 1 hr, 3 hr, 6 hr, 24 hr, 96 hr (4 days), and 168 hr (7 days) after surgery. Patients were asked about side effects of fluid instillation. The volume of lactated Ringer's solution declined rapidly after instillation, with no significant difference from control at 24 hr (12 ml versus 7 ml). The volume of Hyskon did not decline rapidly by 24 hr and remained higher than the volume in controls or those receiving lactated P ostoperative adhesions cause significant morbidity, including infertility, pain, and bowel obstruction. Various strategies, including placement of intraperitoneal fluids or barriers, and administration of systemic glucocorticoids

Our data reveal a lack of correlation between the size of the corpus luteum on ultrasound examination and known steroid products in pregnancies conceived during spontaneous cycles. Corpus luteum volume and steroid products were higher in those patients whose ovulation was induced with clomiphene citrate. Also, different morphologic appearances of the corpus luteum in early human pregnancy, based on the amount of cystic component, have no functional significance. However, a decreasing corpus luteum volume before 8 weeks' gestation is associated with a higher probability of early pregnancy loss.

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