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Clinical and Experimental Reproductive Medicine

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https://www.readbyqxmd.com/read/29376021/reduction-of-the-cetrorelix-dose-in-a-multiple-dose-antagonist-protocol-and-its-impact-on-pregnancy-rate-and-affordability-a-randomized-controlled-multicenter-study
#1
Ayman S Dawood, Adel Algergawy, Ahmed Elhalwagy
Objective: To determine whether reducing the cetrorelix dose in the antagonist protocol to 0.125 mg had any deleterious effects on follicular development, the number and quality of retrieved oocytes, or the number of embryos, and to characterize its effects on the affordability of assisted reproductive technology. Methods: This randomized controlled study was conducted at the Fertility Unit of Tanta Educational Hospital of Tanta University, the Egyptian Consultants' Fertility Center, and the Qurrat Aien Fertility Center, from January 1 to June 30, 2017...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376020/impact-of-sperm-dna-fragmentation-on-clinical-in-vitro-fertilization-outcomes
#2
Hwa Young Choi, Seul Ki Kim, Seok Hyun Kim, Young Min Choi, Byung Chul Jee
Objective: We studied the association between sperm DNA fragmentation (SDF) and several clinical in vitro fertilization outcomes. Methods: We retrospectively analyzed 169 consecutive fresh IVF cycles. Semen was collected on the day of oocyte retrieval, and we assessed standard semen parameters and the SDF level (by terminal deoxynucleotidyl transferase dUTP nick-end labeling). Poor ovarian response (POR) was defined as the collection of three or fewer mature oocytes...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376019/t-helper-cell-subsets-and-related-cytokines-in-infertile-women-undergoing-in-vitro-fertilization-before-and-after-seminal-plasma-exposure
#3
Marziyeh Azad, Sara Keshtgar, Bahia Namavar Jahromi, Zahra Kanannejad, Behrouz Gharesi-Fard
Objective: In vitro fertilization (IVF) is a well-known method for the treatment of infertility. The present study aimed to compare the differences between infertile women with successful and unsuccessful IVF outcomes regarding the expression of T helper (Th) cell transcription factors and a group of related cytokines before and after exposure to their husbands' seminal plasma. Methods: This study was performed on 19 couples with unexplained infertility undergoing IVF treatment...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376018/effects-of-infections-with-five-sexually-transmitted-pathogens-on-sperm-quality
#4
Sung Jae Kim, Doo-Jin Paik, Joong Shik Lee, Hyo Serk Lee, Ju Tae Seo, Mi Seon Jeong, Jae-Ho Lee, Dong Wook Park, Sangchul Han, Yoo Kyung Lee, Ki Heon Lee, In Ho Lee, Kyeong A So, Seon Ah Kim, Juree Kim, Tae Jin Kim
Objective: This study investigated the prevalence of infections with human papillomavirus, Chlamydia trachomatis, Ureaplasma urealyticum, Mycoplasma hominis, and Mycoplasma genitalium in the semen of Korean infertile couples and their associations with sperm quality. Methods: Semen specimens were collected from 400 men who underwent a fertility evaluation. Infection with above five pathogens was assessed in each specimen. Sperm quality was compared in the pathogen-infected group and the non-infected group...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376017/sperm-dna-fragmentation-and-sex-chromosome-aneuploidy-after-swim-up-versus-density-gradient-centrifugation
#5
Sung Woo Kim, Byung Chul Jee, Seul Ki Kim, Seok Hyun Kim
Objective: The aim of this study was to compare the efficacy of swim-up and density gradient centrifugation (DGC) for reducing the amount of sperm with fragmented DNA, sex chromosome aneuploidy, and abnormal chromatin structure. Methods: Semen samples were obtained from 18 healthy male partners who attended infertility clinics for infertility investigations and were processed with swim-up and DGC. The percentages of sperm cells with fragmented DNA measured by the sperm chromatin dispersion test, normal sex chromosomes assessed by fluorescence in situ hybridization, and abnormal chromatin structure identified by toluidine blue staining were examined...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376016/effects-of-laser-assisted-hatching-and-exposure-time-to-vitrification-solution-on-mouse-embryo-development
#6
Hye Jin Kim, Sung Baek Park, Jung Bo Yang, Young Bae Choi, Ki Hwan Lee
Objective: This study was conducted to investigate the efficacy of laser-assisted hatching (LAH) and various vitrification times for embryonic development and blastocyst cell numbers. Methods: First, 2-cell and 8-cell embryos were collected by flushing out the oviducts. In the control groups, they were vitrified for 8 or 10 minutes without LAH. The LAH groups underwent quarter laser zona thinning-assisted hatching before vitrification (4, 6, and 8 minutes or 4, 7, and 10 minutes, respectively)...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376015/fertility-preservation-for-patients-with-hematologic-malignancies-the-korean-society-for-fertility-preservation-clinical-guidelines
#7
REVIEW
Dong-Yun Lee, Seul Ki Kim, Miran Kim, Kyung Joo Hwang, Seok Hyun Kim
Although the survival rate of hematologic malignancies in young patients is very high, cytotoxic therapies such as chemotherapy and total body irradiation therapy can significantly reduce a patient's reproductive capacity and cause irreversible infertility. Early ovarian failure also commonly occurs following additional cancer treatment, bone marrow transplantation, or autologous transplantation. Because the risk of early ovarian failure depends on the patient's circumstances, patients with a hematologic malignancy must consult health professionals regarding fertility preservation before undergoing treatments that can potentially damage their ovaries...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376014/fertility-preservation-for-patients-with-breast-cancer-the-korean-society-for-fertility-preservation-clinical-guidelines
#8
REVIEW
Hoon Kim, Seul Ki Kim, Jung Ryeol Lee, Kyung Joo Hwang, Chang Suk Suh, Seok Hyun Kim
With advances in the methods of cancer treatment used in modern medicine, the number of breast cancer survivors has been consistently rising. As the number of women who wish to become pregnant after being diagnosed with breast cancer increases, it is necessary to consider fertility preservation in these patients. However, medical doctors may be unaware of the importance of fertility preservation among cancer patients because most patients do not share their concerns about fertility with their doctors. Considering the time spent choosing and undergoing treatment, an early referral to a reproductive specialist is the best way to prevent a delay in cancer treatment...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376013/fertility-preservation-for-patients-with-gynecologic-malignancies-the-korean-society-for-fertility-preservation-clinical-guidelines
#9
REVIEW
Sanghoon Lee, Seul Ki Kim, Kyung Joo Hwang, Tak Kim, Seok Hyun Kim
Fertility preservation plays a central role in cancer care since an increasingly large number of cancer patients are surviving as a result of improvements in diagnostic and therapeutic strategies. Physicians who take part in the initial diagnosis and management of gynecologic cancer should understand the importance of fertility preservation. Since indications for fertility preservation are limited to early-stage gynecologic cancer, a surgeon must carefully consider each indication. Before performing fertility-sparing surgery, health professionals should compare its oncologic and pregnancy outcomes with those of other standard treatments...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376012/fertility-preservation-during-cancer-treatment-the-korean-society-for-fertility-preservation-clinical-guidelines
#10
REVIEW
Jayeon Kim, Seul Ki Kim, Kyung Joo Hwang, Seok Hyun Kim
While many fertility preservation (FP) options now exist for reproductive-aged cancer patients, access to these services continues to be limited. A comprehensive FP program should be organized to serve oncofertility patients effectively. Also, much effort is needed from various individuals-patients, specialists from various fields, and consultants-to facilitate FP in a timely manner. Various challenges still exist in improving access to FP programs. To improve access to FP treatment, it is important to educate oncologists and patients via electronic tools and to actively navigate patients through the system...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29376011/developing-a-deeper-insight-into-reproductive-biomarkers
#11
REVIEW
Braira Wahid, Hamid Bashir, Muhammad Bilal, Khansa Wahid, Aleena Sumrin
The development of biomarkers of reproductive medicine is still in its infancy because many black boxes are still present in reproductive medicine. Novel approaches to human infertility diagnostics and treatment must be developed because reproductive medicine has lagged behind in the implementation of biomarkers in clinical medicine. Despite the dearth of the available literature, the current rapid pace of publications suggests that this gap will soon be filled therefore; this review is a précis of the research that has been done so far and will provide a basis for the development of biomarkers in reproductive medicine...
December 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026722/mthfr-3-untranslated-region-polymorphisms-contribute-to-recurrent-pregnancy-loss-risk-and-alterations-in-peripheral-natural-killer-cell-proportions
#12
Eun Sun Kim, Jung Oh Kim, Hui Jeong An, Jung Hyun Sakong, Hyun Ah Lee, Ji Hyang Kim, Eun Hee Ahn, Young Ran Kim, Woo Sik Lee, Nam Keun Kim
OBJECTIVE: To identify the associations between polymorphisms of the 3'-untranslated region (UTR) of methylenetetrahydrofolate reductase (MTHFR) gene, which codes for an important regulatory enzyme primarily involved in folate metabolism, and idiopathic recurrent pregnancy loss (RPL) in Korean women. METHODS: The study population comprised 369 RPL patients and 228 controls. MTHFR 2572C>A, 4869C>G, 5488C>T, and 6685T>C 3'-UTR polymorphisms were genotyped by polymerase chain reaction-restriction fragment length polymorphism analysis or by TaqMan allelic discrimination assays...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026721/expression-of-the-genes-for-peroxisome-proliferator-activated-receptor-%C3%AE-cyclooxygenase-2-and-proinflammatory-cytokines-in-granulosa-cells-from-women-with-polycystic-ovary-syndrome
#13
Joong Yeup Lee, Jin Cheol Tae, Chung Hyon Kim, Doyeong Hwang, Ki Chul Kim, Chang Suk Suh, Seok Hyun Kim
OBJECTIVE: To identify differences in the expression of the genes for peroxisome proliferator-activated receptor (PPAR)-γ, cyclooxygenase (COX)-2, and the proinflammatory cytokines interleukin (IL)-6 and tumor necrosis factor (TNF)-α in granulosa cells (GCs) from polycystic ovary syndrome (PCOS) patients and controls undergoing controlled ovarian stimulation. METHODS: Nine patients with PCOS and six controls were enrolled in this study. On the day of oocyte retrieval, GCs were collected from pooled follicular fluid...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026720/efficacy-of-embryo-transfer-on-day-2-versus-day-3-according-to-maternal-age-in-patients-with-normal-ovarian-response
#14
Jung-Woo Lee, Jeong-Ho Cha, Sun-Hee Shin, Yun-Jeong Kim, Seul-Ki Lee, Choon-Keun Park, Kyung-Ah Pak, Ji-Sung Yoon, Seo-Young Park
OBJECTIVE: Delaying embryo transfer (ET) enables us to select among the embryos available for transfer and is associated with positive effects on implantation and pregnancy outcomes. However, the optimal day for ET of human cleavage-stage embryos remains controversial. METHODS: A retrospective study of 3,124 in vitro fertilization/intracytoplasmic sperm injection cycles (2,440 patients) was conducted. We compared the effects of day 2 and 3 ET on rates of implantation and pregnancy outcomes between young maternal age (YMA; <38 years old, n=2,295) and old maternal age (OMA; ≥38 years old, n=829) patient groups...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026719/icsi-significantly-improved-the-pregnancy-rate-of-patients-with-a-high-sperm-dna-fragmentation-index
#15
Hee-Jun Chi, Seok-Gi Kim, Youn-Young Kim, Ji-Young Park, Chang-Seok Yoo, Il-Hae Park, Hong-Gil Sun, Jae-Won Kim, Kyeong-Ho Lee, Hum-Dai Park
OBJECTIVE: Correlations between semen parameters and sperm DNA fragmentation index (DFI) were investigated to identify characteristics of sperm without DNA damage that could be used in selecting sperm for intracytoplasmic sperm injection (ICSI). Pregnancy outcomes were compared to determine whether in vitro fertilization (IVF) or ICSI is a better choice for patients who have sperm with a high-DFI. METHODS: Semen analysis was carried out in 388 patients who visited our IVF center for the first time to investigate correlations between sperm DFI and semen parameters...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026718/the-association-of-follicular-fluid-volume-with-human-oolemma-stretchability-during-intracytoplasmic-sperm-injection
#16
Taketo Inoue, Yoshiki Yamashita, Yoshiko Tsujimoto, Shuji Yamamoto, Sayumi Taguchi, Kayoko Hirao, Mikiko Uemura, Kayoe Ikawa, Kazunori Miyazaki
OBJECTIVE: Oocyte degeneration often occurs after intracytoplasmic sperm injection (ICSI), and the risk factor is low-quality oocytes. The follicular fluid (FF) provides a crucial microenvironment for oocyte development. We investigated the relationships between the FF volume aspirated from individual follicles and oocyte retrieval, oocyte maturity, oolemma stretchability, fertilization, and development. METHODS: This retrospective study included data obtained from 229 ICSI cycles...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/29026717/addition-of-interleukin-6-to-mouse-embryo-culture-increases-blastocyst-cell-number-and-influences-the-inner-cell-mass-to-trophectoderm-ratio
#17
Rebecca L Kelley, David K Gardner
OBJECTIVE: In vitro culture of preimplantation embryos is improved by grouping embryos together in a drop of media. Individually cultured embryos are deprived of paracrine factors; with this in mind, we investigated whether the addition of a single embryo-secreted factor, interleukin-6 (IL-6), could improve the development of individually cultured embryos. METHODS: Mouse embryos were cultured individually in 2 µL of G1/G2 media in 5% oxygen and supplemented with a range of doses of recombinant mouse or human IL-6...
September 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28795051/predictors-of-live-birth-and-pregnancy-success-after-in-vitro-fertilization-in-infertile-women-aged-40-and-over
#18
Hye Ok Kim, Nayoung Sung, In Ok Song
OBJECTIVE: The aim of this study was to evaluate pregnancy outcomes and the live birth rate at 1-year age increments in women aged ≥40 years undergoing fresh non-donor in vitro fertilization (IVF) and embryo transfer (ET), and to identify predictors of success in these patients. METHODS: This retrospective study was performed among women ≥40 years of age between 2004 and 2011. Of the 2,362 cycles that were conducted, ET was performed in 1,532 (73.1%). RESULTS: The clinical pregnancy rate and live birth rate in women ≥40 years significantly decreased with each year of increased age (p<0...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28795050/mixed-double-embryo-transfer-a-promising-approach-for-patients-with-repeated-implantation-failure
#19
Georgi Stamenov Stamenov, Dimitar Angelov Parvanov, Todor Angelov Chaushev
OBJECTIVE: The purpose of this study was to evaluate the efficacy of frozen mixed double-embryo transfer (MDET; the simultaneous transfer of day 3 and day 5 embryos) in comparison with frozen blastocyst double-embryo transfer (BDET; transfer of two day 5 blastocysts) in patients with repeated implantation failure (RIF). METHODS: A total of 104 women with RIF who underwent frozen MDET (n=48) or BDET (n=56) with excellent-quality embryos were included in this retrospective analysis...
June 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28795049/comparison-of-clinical-outcomes-between-in-vitro-fertilization-ivf-and-intracytoplasmic-sperm-injection-icsi-in-ivf-icsi-split-insemination-cycles
#20
Sun Hee Lee, Jae Hyun Lee, Yong-Seog Park, Kwang Moon Yang, Chun Kyu Lim
OBJECTIVE: This study aimed to compare the clinical outcomes between in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) in sibling oocytes. Additionally, we evaluated whether the implementation of split insemination contributed to an increase in the number of ICSI procedures. METHODS: A total of 571 cycles in 555 couples undergoing split insemination cycles were included in this study. Among them, 512 cycles (89.7%) were a couple's first IVF cycle...
June 2017: Clinical and Experimental Reproductive Medicine
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