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PROBLEM We aimed to compare the therapeutic effects of hysteroscopic polypectomy with and without doxycycline treatment on chronic endometritis (CE) with endometrial polyps. METHOD OF STUDY DESIGN: A cross-sectional study was conducted on 267 infertile patients, of whom 243 were recruited, who underwent hysteroscopic polypectomy between March 2019 and March 2020. During surgery, the endometrial specimens for the immunohistochemistry analysis of the plasma cell marker CD138 and for the intrauterine bacterial culture were obtained to diagnose CE, and the prevalence of CE was analyzed. Of the 222 women who were diagnosed with CE after polypectomy, we treated 62 women with doxycycline (antibiotic group) and did not provide antibiotics in 160 women (non-antibiotic group). RESULTS Most of the infertile patients with endometrial polyps had CE (92.6%). The recovery rate from CE by hysteroscopic polypectomy was significantly higher in the non-antibiotic group than in the antibiotic group (88.8% and 58.1%, respectively, p

Purpose To evaluate the efficacy and safety of self‐injections of the prefilled recombinant human chorionic gonadotropin (r‐hCG) in a syringe in assisted reproductive technology (ART) treatment for the maturation trigger (MT), as compared to self‐injections of conventional hCG and intranasal administration of gonadotropin‐releasing hormone agonist (GnRH‐a). Methods Between January and April, 2017, 396 patients who underwent oocyte retrieval were recruited. Of these, 396 patients were classified into three groups, according to the types of MT: (1) the urinary human chorionic gonadotropin (u‐hCG) group that consisted of patients who had a self‐injection of u‐hCG (n = 127); (2) the GnRH‐a group that received nasal administration of GnRH‐a (n = 159); and (3) the r‐hCG group that had a self‐injection of r‐hCG (n = 110). Several ART outcomes were evaluated. Results The mature oocyte retrieval rate was not different between the u‐hCG, r‐hCG, and GnRH‐a groups and the fertilization and cleavage rates were similar between the three groups. The clinical pregnancy rates did not significantly differ between the GnRH‐a group and the u‐hCG group; however, it was significantly lower in the GnRH‐a group, compared to the r‐hCG group. No difference was observed in the incidence of moderate or more severe ovarian hyperstimulation syndrome among the three groups. Conclusion The self‐injection of the prefilled r‐hCG is a favorable MT for ART patients.

Although assisted reproductive technology (ART) is suspected to increase the risk of placenta previa, a life-threatening complication of pregnancy, the reason is poorly understood. We recruited consecutive 318 pregnancies conceived by ART in our clinic and examined relation of ten variables, i.e. maternal age, gravidity, parity, male or female fetus, previous abortion, previous cesarean delivery, endometriosis, ovulatory disorder, tubal disease, and male infertility, to placenta previa, by logistic regression analysis. As a result, we found that endometriosis (odds ratio = 15.1; 95% CI = 7.6-500.0) and tubal disease (odds ratio = 4.4; 95% CI = 1.1-26.3) were significantly associated with placenta previa. It would be preferable to take the increased risk of placenta previa into account in treating ART pregnancy with endometriosis and tubal disease.

Singleton pregnancy after assisted reproductive technology (ART) has been associated with higher risks of adverse pregnancy outcome than naturally conceived singleton pregnancy. This study was to elucidate whether the ART procedure is responsible for abnormal pregnancy outcome comparing those after ART and non-ART in infertile patients.We compare the singleton pregnancy outcome of infertile patients in our university hospital between 2000 and 2008 following ART (351 pregnancies) and non-ART (213 pregnancies) procedures. Pregnancy outcome parameters were incidence of pregnancy induced hypertension, placenta previa, placental abruption, cesarean delivery, preterm birth, very preterm birth, stillbirth, low birth weight and very low birth weight.Most of the pregnancy outcome parameters were not significantly different between the ART group and the non-ART group. Only placenta previa was significantly higher in the ART group than in the non-ART group (odds ratio 4.0; 95 % CI 1.2-13.7).ART procedure may itself be a risk factor for the development of placenta previa. Some of the abnormal perinatal outcomes that had been previously attributed to ART, however, may be due to the baseline characteristics of infertile patients.

Uterine artery pseudoaneurysm (UAP) occurs rarely and can develop after various gynecologic or obstetric procedures. The delayed diagnosis of this disease often results in life-threatening hemorrhage. Herein is described a case of UAP after cesarean section. The patient visited our emergency outpatient department 99 days after cesarean section because of abnormal uterine bleeding, which was diagnosed as UAP using color Doppler ultrasonography and contrast medium-enhanced computed tomography. Selective transcatheter arterial embolization was performed to resolve the lesion without complications. We also conducted a review to identify the demographic etiology of UAP. A PubMed search yielded 57 cases reported in the English literature. The most frequent cause of UAP was cesarean section, which accounted for 47.4% of all cases. The mean interval between the incident and the symptoms was approximately 2 weeks, regardless of cause. At analysis of 17 cases diagnosed within a day, it became evident that the definitive diagnosis was made at angiography (41.2%), computed tomography (29.4%), or color Doppler ultrasonography (29.4%). Almost all cases (94.1%) were conservatively treated with transcatheter uterine artery embolization. Consideration of UAP in the differential diagnosis is crucial for proper treatment before rupture and to preserve fertility.