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The purpose of this study was to investigate the impact of endometrioma on oocyte morphology and fertility outcome in intracytoplasmic sperm injection (ICSI)cycles. The study material was obtained from 114 ICSI cycles of infertile women aged between 20 and 38 years with ovarian endometriomas and unexplained infertility. In total, 644 mature oocytes were included in the analysis. The rates of specific oocyte morphological abnormalities were similar between the two groups however the central granulation rate was significantly higher in the group with endometrioma (p <.05). Fertilisation rate were not significantly different between the groups (p ≥.05) however the numbers of metaphase 2 (MII) oocytes and embryos were lower in the endometrioma group (p ≤.05). Endometrioma was associated with a higher rate of oocytes with granular cytoplasm, despite the fertilisation rate the numbers of the MII oocytes and embryo were affected. What is already known on this subject? The association between endometrioma and infertility is a well-known condition, but the possible mechanisms of the effects of endometrioma on women's fertility is still debated and controversial. There is limited data on the effect of endometrioma on oocyte morphology. Low oocyte quality and lower fertilisation rates might be the main cause of adverse pregnancy outcomes during in vitro fertilisation/intracytoplasmic sperm injection cycles. What do the results of this study add? Endometrioma was associated with a higher rate of oocytes with granular cytoplasm, and lower metaphase 2 oocytes and embryos. What are the implications of these findings for clinical practice and/or further research? Future studies using further oocyte quality assessment methods and prospective observational studies including live-birth rate should be designed to better understand how endometrioma affects fertility outcomes. [ABSTRACT FROM AUTHOR]

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Methods This is a prospective observational study. One hundred and thirty nine infertile women who underwent ART in IVF-ICSI unit of Zeynep Kamil women and children’s Health Training and research hospital between January 2017 to June 2017 were recruited. Blood samples were collected on day 2/ day 3 for assessment of serum FSH and estradiol. Trans-vaginal sonography was done for antral follicle count. During antral follicle count, in order to determine antral follicle diameter variance, diameters of the largest and smallest follicles were recorded. Variance was calculated by subtracting the smallest diameter from the largest one. Following ovarian stimulation with antagonist protocol, poor response was determined in cases with total oocyte number ≤ 3. Ovarian reserve tests and antral follicle diameter variance were utilized to predict cases with poor response in women with normal ovarian reserve. Results Antral follicle diameter variance both in right (AUC = 0.737, P < 0.001) and left (AUC = 0.651, P < 0.05) ovaries significantly predicted poor ovarian response. Variance > 3.5 mm was found to have 75 % sensitivity to predict poor response. Basal serum FSH with estradiol levels and AFC failed to predict poor response (P > 0.05). Other significant predictors for poor response were day 5 estradiol level and estradiol level at trigger day (P < 0.05). In multivariate regression analysis, both AFC and antral follicle diameter variance in the right ovary were found to be significantly associated with clinical pregnancy, on the other hand peak estradiol concentration and antral follicle diameter variance in the right ovary were significantly associated with poor response. Conclusion Antral follicle diameter variance may be utilized to predict poor ovarian response in cases with normal ovarian reserve. [ABSTRACT FROM AUTHOR]

Introduction: This study aims to compare the association between the most commonly used ovarian responsiveness markers - age, anti-Müllerian hormone levels (AMH), antral follicle count (AFC), ovarian sensitivity index (OSI), and ovarian response prediction index (ORPI) - and ovarian responsiveness to gonadotropin stimulation in assisted reproductive technology (ART) cycles.Material and Methods: Patients who underwent intracytoplasmic sperm injection treatment using either a gonadotropin releasing hormone (GnRH) antagonist or agonist protocol were enrolled in the study. Data of the patients were abstracted from the hospital's database. Tests were compared for total number of retrieved oocytes, metaphase II (MII) oocytes, embryos, good quality embryos on day 1 and day 3, and ongoing pregnancies per cycle.Results: The OSI was the ovarian response test that had the strongest relationship with the ART outcomes. The level of association between the ovarian response tests and poor ovarian response data was (in descending order): OSI, ORPI, AFC, AMH, and age (AUCOSI = 0.976, AUCORPI = 0.905, AUCAFC = 0.899, AUCAMH = 0.864, AUCage = 0.617). The overall association between OSI and poor ovarian response was significantly higher than the other parameters (p1 = 0.0023, p2 = 0.0014, p3 = 0.0001, p4 ≤ 0.0001). In patients with high ovarian response data, OSI had the highest association, followed by AFC and ORPI age (AUCOSI = 0.984, AUCAFC = 0.907, AUCORPI = 0.887). There was no statistically significant difference among the tests for the data of patients with ongoing pregnancies.Conclusions: In this study, which is the first study comparing the five most frequently used ovarian responsiveness markers and the second study signifying the role of OSI in an antagonist protocol, OSI was found to be more convenient to calculate, and it could be superior to other ovarian responsiveness markers for poor and high ovarian responses on cycles with agonist or antagonist protocols. [ABSTRACT FROM AUTHOR]

To compare the effect of the different protocols in patients receiving in vitro fertilization treatment due to poor ovarian response. Seventy-seven of the patients included in the study were treated with gonadotropin (450 IU) + GnRH antagonist (group 1), 84 of the patients were treated with gonadotropin (450 IU) + microdose GnRH analog (group 2), and 53 of the patients were treated with clomiphene citrate (100 mg/day) + gonadotropin (300 IU) + GnRH antagonist (Group 3). In assessing total gonadotropin dosage, patients in Group 3 detected significantly less gonadotropin as compared to the other two groups (p < .001). Group 1 were superior to the other two groups with respect to retrieved oocytes, meiosis II oocytes and number of embryos obtained at the end of the treatment. As for the evaluation of clinical pregnancy, although the highest pregnancy rate was in Group 3, this finding was not of statistical significance. Although increasing the dosage of gonadotropins for ovarian hyper stimulation treatment in patients with poor ovarian response is beneficial with respect to retrieved oocytes, meiosis II oocytes and number of embryos, the increased dosage does not provide a statistically significant increase in clinical pregnancy rates. [ABSTRACT FROM AUTHOR]