Aim To evaluate the effect of cervical canal features on pain during outpatient hysteroscopy performed by experienced surgeons using mini‐hysteroscope. Methods A prospective observational study was conducted on 303 women undergoing diagnostic hysteroscopy without anesthesia. Pain intensity was evaluated using the visual analog scale (VAS) when the cervical canal was passed. The patients were divided into two groups according to the VAS score: painless or mild pain (VAS <4) and moderate or severe pain (VAS ≥ 4). The relationship between cervical canal characteristics (length, version, and flexion positions, history of cervical intervention, stenosis, synechiae), obstetric and gynecological history, preoperative anxiety level, procedure duration, and pain intensity was examined. Results Moderate pain (4 ≤ VAS < 7) was observed in 38% of patients (n = 117) and 14 patients (5%) experienced severe pain (VAS ≥ 7). In multivariate analysis, nulliparity (p = 0.01; OR, 4.6; 95% CI, 1.7–13.2), postmenopausal state (p = 0.02; OR, 2.2; 95% CI, 1.2–4.3), excessive flexion of the cervix and retroverted uterus (p <0.001; OR, 4.1; 95% CI, 2.0–8.5) were identified as risk factors for a painful procedure. Diagnostic hysteroscopy was successful in 98% of the patients. The pain was the primary cause of the failed hysteroscopy. Conclusion In addition to nulliparity and postmenopausal status, unfavorable features of the cervical canal, such as the excessive flexion position of the cervix and uterine retroversion are significant causes of pain during outpatient hysteroscopy.

Background: We aimed to analyse our clinical results for a particular subgroup of patients with poor ovarian response (POR) in order to clarify if lower number of oocytes is a drawback for proceeding to C-IVF Materials and methods: In this retrospective study, patient les of all couples (#1733) who underwent oocyte retrieval between January 2017 and December 2019 were reviewed and 191 cases diagnosed with non-male factor infertility in which ≤3 cumulus-oocyte-complexes available for fertilisation were analysed. Exclusion criteria were: woman age>42, patients with a history of previous ART trial, prenatal genetic testing cycles and couples undergoing total cryopreservation for any indication. Three groups were constructed depending on the method of fertilisation and on semen quality as follows: IVF non-male factor (Group 1,n=77); ICSI non-male factor (Group 2, n=65); ICSI male factor-ICSI/MF n=49 according to WHO reference values. Main outcome parameters were: fertilisation rate, implantation rate and live birth rate.Results: Fertilisation rate per collected COC was signi cantly higher in group 1 compared to the other two groups (85,68%, 72,58%, 73,33% respectively, p=0,004). FR per inseminated oocyte also tended to be higher in group 1 but not reaching a statistically signi cant level. Both techniques yielded similar implantation rates (20,42%, 28,49%, 23,33% respectively, p=0,407) and live birth rates (26,8%, 30,6%, 31,1% respectively, p=0.643).Conclusions: In the presence of normal semen parameters, low egg number is not an indication to perform ICSI. The choice of fertilisation method should be based primarily on semen quality, in combination with the patient's previous history regardless of the ovarian reserve.

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Objective: To compare the clinical, metabolic, and hormonal characteristics of patients with and without selected dominant follicles in infertile women with PCOS who used letrozole for ovulation induction.