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https://www.readbyqxmd.com/read/28718528/impairment-of-sperm-dna-methylation-in-male-infertility-a-meta-analytic-study
#1
D Santi, S De Vincentis, E Magnani, G Spaggiari
Considering the widespread use of assisted reproductive techniques (ART), DNA methylation of specific genes involved in spermatogenesis achieves increasingly clinical relevance, representing a possible explanation of increased incidence of syndromes related to genomic imprinting in medically assisted pregnancies. Several trials suggested a relationship between male sub-fertility and sperm DNA methylation, although its weight on seminal parameters alteration is still a matter of debate. To evaluate whether aberrant sperm DNA methylation of imprinted genes is associated with impaired sperm parameters...
July 2017: Andrology
https://www.readbyqxmd.com/read/28715980/clinical-aspects-of-infertile-47-xyy-patients-a-retrospective-study
#2
Parnaz Borjian Boroujeni, Marjan Sabbaghian, Ahmad Vosough Dizaji, Shabnam Zarei Moradi, Navid Almadani, Faranak Mohammadpour Lashkari, Mohamad Reza Zamanian, Anahita Mohseni Meybodi
47,XYY syndrome is a sex chromosomal anomaly in men, which may be associated with infertility and has an incidence of 0.1% of male births. The clinical and paraclinical characteristics of men suffering from this anomaly have not been fully described. In this retrospective study, we present 37 cases of 47,XYY infertile men with sperm counts varying from normal to azoospermia, referred to the Genetics Laboratory at the Royan Institute, Iran. Thirteen individuals were mosaic and 24 non-mosaics. Non-mosaic patients were classified as azoospermic (nine cases) and normospermic/oligozoospermic men (15 cases)...
July 18, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28706367/diagnostic-office-vaginohysteroscopy-in-evaluation-of-infertility-prior-to-ivf-a-retrospective-analysis-of-1000-cases
#3
Praveen Kumar, Surender Mohan, Pankaj Talwar, Seema Rai, N Nagaraja, Prashant Sharma
AIM: The aim of this study was to analyze the utility of routine use of diagnostic office vaginohysteroscopy in the evaluation of uterine cavity in infertility patients prior to IVF-ET. MATERIALS AND METHODS: We conducted a retrospective analysis of 1000 women who had undergone routine diagnostic office vaginohysteroscopy as an institutional protocol in the evaluation of infertility prior to IVF-ET cycle at a tertiary care hospital. They were divided into two groups: primary infertility (group I) and secondary infertility (group II)...
August 2017: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/28698074/fertiloscopy-improves-in-vitro-fertilization-for-women-with-repeated-implantation-failure
#4
R Zhang, A Xu, Q Wang, L Zhang, L Zhu, S Zhao, W Xiong
OBJECTIVE: To assess the effects of fertiloscopy procedure on the outcomes of subsequent in vitro fertilization cycles in patients with repeated implantation failure (RIF). METHODS: A retrospective study was performed on 50 patients underwent fertiloscopy and 41 controls with RIF. Pelvic and intrauterine pathologies related to infertility, clinical pregnancy rate (CPR) and ongoing pregnancy rate (OPR) of subsequent IVF cycles were assessed. RESULTS: Twenty-six out of 50 patients (52%) had abnormal fertiloscopic findings...
July 8, 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28697910/duphaston-and-human-menopausal-gonadotropin-protocol-in-normally-ovulatory-women-undergoing-controlled-ovarian-hyperstimulation-during-in%C3%A2-vitro-fertilization-intracytoplasmic-sperm-injection-treatments-in-combination-with-embryo-cryopreservation
#5
Xiuxian Zhu, Hongjuan Ye, Yonglun Fu
OBJECTIVE: To evaluate endocrine characteristics and clinical outcomes in normal ovulatory patients undergoing controlled ovarian hyperstimulation (COH) with the use of a Duphaston and hMG protocol during in vitro fertilization (IVF)/intracytoplasmic sperm injection (ICSI) treatments in combination with frozen-thawed embryo transfer (FET) compared with the characteristics and outcomes of patients undergoing an Utrogestan and hMG protocol. DESIGN: Prospective controlled study...
July 8, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28693619/successful-pregnancy-after-mucinous-cystic-neoplasm-with-invasive-carcinoma-of-the-pancreas-in-a-patient-with-polycystic-ovarian-syndrome-a-case-report
#6
Conisha Holloman, S J Carlan, Lohini Sundharkrishnan, Angela Guzman, Mario Madruga
BACKGROUND: The incidence of invasive cancer within a mucinous cystic neoplasm of the pancreas varies between 6 and 36%. Polycystic ovarian syndrome is a disorder characterized by hyperandrogenism and anovulatory infertility. One surgical treatment that can restore endocrine balance and ovulation in polycystic ovarian syndrome is partial ovarian destruction. Successful pregnancies following preconception pancreaticoduodenectomies (Whipple procedures) and chemoradiation to treat pancreatic neoplasms have been reported rarely but none were diagnosed with pre-cancer polycystic ovarian syndrome-associated infertility...
July 11, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28670432/relationship-between-chlamydia-ureaplasma-mycoplasma-genital-detection-with-semen-concentration-and-motility-among-greek-men
#7
Ageliki Gerovassili, Ourania Marcandona, Byron Asimakopoulos, Vasilis Karavasilis, Maria Panopoulou, Alexandros Ikonomidis
One hundred and seventy two men at the State of Thessaly, Greece, inquiring semen analysis were enrolled in the study in order to investigate the incidence of Chlamydia, Ureaplasma and Mycoplasma (C-U-M) genera in respect to total sperm number (TSN), progressive motility (grades a and b) and total motility (grades a, b and c). Putative relation of C-U-M acquirement with sexual behavior was also investigated. Incidence of C-U-M among non-oligozoospermic and oligozoospermic men was similar. Νο correlation of C-U-M carriage to either oligozoospermia or asthenozoospermia was found...
July 2017: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/28656917/to-compare-aneuploidy-rates-between-icsi-and-ivf-cases
#8
L Sahin, M Bozkurt, H Şahin, A Gürel, E Calıskan
INTRODUCTION: Intracytoplasmic sperm injection (ICSI) currently helps many couples with male infertility. However, ICSI procedure may cause asynchronous sperm decondensation. This could introduce a risk for aneuploidy. The ICSI technique also could cause damage to the second meiotic spindle during injection and cause significantly abnormal pairing of chromosomes when compared with In vitro fertilization (IVF). In this study, we have examined whether ICSI has a higher incidence of aneuploidy when compared with IVF...
June 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28638108/pregnancy-outcomes-in-nulliparous-women-after-ultrasound-ablation-of-uterine-fibroids-a-single-central-retrospective-study
#9
Jun Shu Li, Yong Wang, Jin Yun Chen, Wen Zhi Chen
To explore the impact of high-intensity focused ultrasound (HIFU) ablation of uterine fibroids in nulliparous women on subsequent pregnancy and delivery. A retrospective analysis was conducted of nulliparous women who received HIFU treatment at Chongqing Medical University, Chongqing,China, from January 1, 2010, to January 1, 2015. A total of 189 cases were enrolled, the median follow-up time was three years. Among them,there were 131 cases pregnancy with a total of 133 times,the pregnancy rate was 69.3% (131/189),and the spontaneous conception rate was 95...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28632112/the-2016-european-guideline-on-the-management-of-epididymo-orchitis
#10
Emma J Street, Edwin D Justice, Zsolt Kopa, Mags D Portman, Jonathan D Ross, Mihael Skerlev, Janet D Wilson, Rajul Patel
Epididymo-orchitis is a commonly encountered condition with a reported incidence of 2.45 cases per 1000 men in the United Kingdom. This 2016 International Union against Sexually Transmitted Infections guideline provides up-to-date advice on the management of this condition. It describes the aetiology, clinical features and potential complications, as well as presenting diagnostic considerations and clear recommendations for management and follow-up. Early diagnosis and management are essential, as serious complications can include abscess formation, testicular infarction and infertility...
July 2017: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/28609278/do-women-offered-assisted-reproduction-technologies-have-a-higher-incidence-of-gynecologic-cancer-a-systematic-review-and-meta-analysis
#11
REVIEW
Juan Enrique Schwarze, Paulina Valdebenito, Carolina Ortega, Sonia Villa, Javier Crosby, Ricardo Pommer
The last two decades have seen an increase in the number of women diagnosed with infertility. The consequent growth in the use of assisted reproductive technologies (ART) calls for the determination of its long-term effects, including the risk of cancer. Many studies have attempted to answer this question, albeit with contradictory results. This review aimed to assess whether assisted reproductive technologies are associated with an increased risk of gynecological cancer. A search for papers in the literature was carried out on MEDLINE, TRIP DATABASE and NICE, resulting in 11 studies enrolling 3,900,231 patients altogether...
June 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28600105/ovarian-stimulation-and-risk-of-breast-cancer-in-swedish-women
#12
Frida E Lundberg, Anastasia N Iliadou, Kenny Rodriguez-Wallberg, Christina Bergh, Kristina Gemzell-Danielsson, Anna L V Johansson
OBJECTIVE: To investigate whether ovarian stimulation for treating infertility is associated with the risk of breast cancer. DESIGN: Nationwide register-based cohort study. SETTING: Not applicable. PATIENT(S): In a cohort of 1,340,211 women who gave birth 1982-2012, we investigated the relationship between assisted reproductive technology (ART) and incidence of breast cancer. Associations between any ovarian stimulation since 2005 and breast cancer incidence were studied in a separate cohort of 1,877,140 women born 1960-92...
July 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28570663/rectal-administration-of-a-chlamydial-subunit-vaccine-protects-against-genital-infection-and-upper-reproductive-tract-pathology-in-mice
#13
Roshan Pais, Yusuf Omosun, Qing He, Uriel Blas-Machado, Carolyn Black, Joseph U Igietseme, Kohtaro Fujihashi, Francis O Eko
In this study, we tested the hypothesis that rectal immunization with a VCG-based chlamydial vaccine would cross-protect mice against heterologous genital Chlamydia trachomatis infection and Chlamydia-induced upper genital tract pathologies in mice. Female mice were immunized with a C. trachomatis serovar D-derived subunit vaccine or control or live serovar D elementary bodies (EBs) and the antigen-specific mucosal and systemic immune responses were characterized. Vaccine efficacy was determined by evaluating the intensity and duration of genital chlamydial shedding following intravaginal challenge with live serovar E chlamydiae...
2017: PloS One
https://www.readbyqxmd.com/read/28552246/the-incidence-of-long-heterochromatic-polymorphism-variants-in-infants-conceived-through-assisted-reproductive-technologies
#14
Andrew Wilson, Katherine Watt, Sai Ma
Long heterochromatic variants on chromosomes 1, 9, 16 and Y are suspected to be implicated in infertility and early pregnancy loss, but little is known about how these variants are inherited in children conceived by infertile couples through assisted reproductive technologies. In this case-control study, the incidence of these variants was compared between infants conceived using intracytoplasmic sperm injection (ICSI), IVF and natural intercourse by karyotyping lymphocytes from cord blood or peripheral blood...
May 15, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28551894/-advanced-abdominal-pregnancy
#15
REVIEW
David Rabinerson, Alexandra Berezowsky, Rinnat Gabbay-Benziv
Abdominal pregnancy is a very rare obstetric complication which is seriously hazardous to the mother as well as the fetus. It poses a diagnostic challenge to this day. Both maternal and fetal mortality rates in such cases are high, as well as the malformation rate among the affected fetus. The best diagnostic tools are ultrasound and MRI. The availability of these instruments, and especially the latter, is scarce in developing countries, hence the higher rate of this type of pregnancy in these regions. The higher incidence of abdominal pregnancy in developing countries is also associated with the greater prevalence of low socioeconomic status, pelvic infections and infertility - all are more prevalent in these countries...
February 2017: Harefuah
https://www.readbyqxmd.com/read/28523198/uterine-fibroid-torsion-during-pregnancy-a-case-of-laparotomic-myomectomy-at-18-weeks-gestation-with-systematic-review-of-the-literature
#16
Annachiara Basso, Mariana Rita Catalano, Giuseppe Loverro, Serena Nocera, Edoardo Di Naro, Matteo Loverro, Mariateresa Natrella, Salvatore Andrea Mastrolia
Uterine myomas are the most common benign growths affecting female reproductive system, occurring in 20-40% of women, whereas the incidence rate in pregnancy is estimated from 0.1 to 3.9%. The lower incidence in pregnancy is due to the association with infertility and low pregnancy rates and implantation rates after in vitro fertilization treatment. Uterine myomas, usually, are asymptomatic during pregnancy. However, occasionally, pedunculated fibroids torsion or other superimposed complications may cause acute abdominal pain...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28518085/analysis-of-chromosome-segregation-histone-acetylation-and-spindle-morphology-in-horse-oocytes
#17
Federica Franciosi, Irene Tessaro, Rozenn Dalbies-Tran, Cecile Douet, Fabrice Reigner, Stefan Deleuze, Pascal Papillier, Ileana Miclea, Valentina Lodde, Alberto M Luciano, Ghylene Goudet
The field of assisted reproduction has been developed to treat infertility in women, companion animals, and endangered species. In the horse, assisted reproduction also allows for the production of embryos from high performers without interrupting their sports career and contributes to an increase in the number of foals from mares of high genetic value. The present manuscript describes the procedures used for collecting immature and mature oocytes from horse ovaries using ovum pick-up (OPU). These oocytes were then used to investigate the incidence of aneuploidy by adapting a protocol previously developed in mice...
May 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28517043/sperm-chromatin-quality-and-dna-integrity-in-partial-versus-total-globozoospermia
#18
A R Talebi, J Ghasemzadeh, M A Khalili, I Halvaei, F Fesahat
Globozoospermia is a severe form of teratozoospermia with low incidence in infertile patients, considered as one of the important causes of male infertility. The objective was to investigate the chromatin/DNA integrity as well as apoptosis in ejaculated spermatozoa of cases with partial or total globozoospermia. Fifty-seven semen samples were divided into three groups of partial globozoospermia (n = 17), total globozoospermia (n = 10) and normozoospermia (control; n = 30). Sperm chromatin condensation, DNA integrity and apoptosis were assessed using cytochemical assays...
May 18, 2017: Andrologia
https://www.readbyqxmd.com/read/28508879/oxidative-stress-and-male-infertility
#19
REVIEW
Shilpa Bisht, Muneeb Faiq, Madhuri Tolahunase, Rima Dada
DNA damage, largely owing to oxidative stress, is a leading cause of defective sperm function. High levels of oxidative stress result in damage to sperm DNA, RNA transcripts, and telomeres and, therefore might provide a common underlying aetiology of male infertility and recurrent pregnancy loss, in addition to congenital malformations, complex neuropsychiatric disorders, and childhood cancers in children fathered by men with defective sperm cells. Spermatozoa are highly vulnerable to oxidative stress owing to limited levels of antioxidant defence and a single, limited DNA-damage detection and repair mechanism...
May 16, 2017: Nature Reviews. Urology
https://www.readbyqxmd.com/read/28505290/supraphysiologic-estradiol-is-an-independent-predictor-of-low-birth-weight-in-full-term-singletons-born-after-fresh-embryo-transfer
#20
N Pereira, R T Elias, P J Christos, A C Petrini, K Hancock, J P Lekovich, Z Rosenwaks
STUDY QUESTION: Is supraphysiologic estradiol (E2) an independent predictor of low birth weight (LBW) in singletons born after fresh IVF-embryo transfer (ET) cycles? SUMMARY ANSWER: Our results suggest that E2 > 2500 pg/ml is an independent predictor for LBW in full-term singletons born to normal responder patients undergoing fresh IVF-ET cycles. WHAT IS KNOWN ALREADY: The pathogenesis of LBW in IVF singletons remains unknown. However, recent studies have suggested that the hyperestrogenic milieu generated during ovarian stimulation may create a sub-optimal peri-implantation environment, leading to placental dysfunction, and therefore, LBW...
May 13, 2017: Human Reproduction
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