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  • Title: Hydatid of Morgagni: a possible underestimated cause of unexplained infertility.
    Author: Rasheed SM, Abdelmonem AM.
    Journal: Eur J Obstet Gynecol Reprod Biol; 2011 Sep; 158(1):62-6. PubMed ID: 21620555.
    Abstract:
    OBJECTIVE: To evaluate the possible role of hydatid of Morgagni in patients with unexplained infertility. STUDY DESIGN: This was a non-randomized controlled trial conducted at the Department of Obstetrics and Gynecology of Sohag University, Egypt. Two hundred and thirteen patients with unexplained infertility and hydatid of Morgagni diagnosed at laparoscopy were included. The laterality (bilateral vs unilateral), location (fimbrial vs juxta-fimbrial), number (single vs multiple) and diameter of the hydatids of Morgagni were recorded. Patients were allocated to a study group (n=127) who underwent laparoscopic excision of hydatid of Morgagni and a control group (n=86) who underwent no intervention. Patients were followed for six months without any infertility or hormonal treatment to detect spontaneous pregnancy. Patients missed during the follow-up or who received infertility treatment were excluded. Statistical analysis was done using Chi-square test and Student's t-test. To find the most important character of hydatid of Morgagni which impedes pregnancy, logistic regression analysis of the dependent variable (no pregnancy) and independent variables (different characters of hydatid of Morgagni) was carried out in the control group. RESULTS: Hydatid of Morgagni was detected in 52.1% of patients with unexplained infertility compared to 25.6% of those with explained infertility (p<0.001). The pregnancy rate was higher in the study group than the control group (58.7% vs 20.6%, p<0.001). The pregnancy rate was significantly higher in the study group than the control group if the hydatid cyst was bilateral (85.7% vs 5.3%, p<0.001), fimbrial (85.6% and 9.1%, p<0.001), single (57.6% and 30.3%, p<0.001) or 1-2 cm in diameter (58.1% and 25.5%, p<0.001). Logistic analysis showed that the bilaterality and fimbrial location of the hydatid of Morgagni were the most significant characteristics impeding pregnancy (odds ratio=7.27 and 3.67 respectively). CONCLUSIONS: Hydatid of Morgagni is a possible underestimated cause of unexplained infertility. Laparoscopic removal of hydatid of Morgagni in patients with unexplained infertility was followed with a high spontaneous pregnancy rate. This is particularly obvious with bilateral and fimbrial hydatid of Morgagni.
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