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https://www.readbyqxmd.com/read/29149676/high-salt-diet-decreases-reproductive-performance-in-rams-and-down-regulates-gene-expression-of-some-components-of-the-renin-angiotensin-system-in-the-testis
#1
Yi Fang, Rongzhen Zhong, Xuezhao Sun, Daowei Zhou
Although salt-tolerant plants can be used to combat dryland salinity, these plants contain high concentrations of salt (NaCl), which may have deleterious effects if fed to livestock. Twenty-four Merino rams (9 mo of age) with similar body weight were equally allocated to two groups and fed a normal- or high-salt diet (0.5 and 12% NaCl, respectively) for 3 mo. Rams fed the high-salt diet had lower live weight gains, higher water intake, smaller testes (466 ± 48.4 vs 604 ± 51.1 g) and reductions (P <0...
November 10, 2017: Theriogenology
https://www.readbyqxmd.com/read/29143943/the-impact-of-ejaculatory-abstinence-on-semen-analysis-parameters-a-systematic-review
#2
REVIEW
Brent M Hanson, Kenneth I Aston, Tim G Jenkins, Douglas T Carrell, James M Hotaling
OBJECTIVE: The aim of this study was to evaluate recent publications and determine the impact of ejaculatory abstinence on semen analysis parameters as well as fertility outcomes. METHODS: This was a systematic review of 28 recent publications. The focus of this study was the impact of abstinence on semen parameters and fertility outcomes in papers published since the year 2000. The specific parameters evaluated were volume, sperm count, motility, morphology, pH, DNA fragmentation rate, viability, and pregnancy or fertilization rates following assisted reproduction...
November 16, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29142452/infertility-stress-in-couples-undergoing-intrauterine-insemination-and-in-vitro-fertilization-treatments
#3
Manisha Awtani, Kamayani Mathur, Sandeep Shah, Manish Banker
Aim: The main aim of the study was to assess the stress levels of husbands and wives undergoing intrauterine insemination (IUI) and in vitro fertilization (IVF) treatments, and also to observe whether the stress levels differed between the methods of treatments. Materials and Methods: This research focused on 120 infertile couples who underwent IUI and In Vitro Fertilization-Intra Sperm Cytoplasmic sperm Injection (IVF-ICSI) at an infertility clinic from April 2014 to November 2014...
July 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29142449/single-blastocyst-transfer-the-key-to-reduce-multiple-pregnancy-rates-without-compromising-the-live-birth-rate
#4
Uma M Sundhararaj, Monali V Madne, Reeta Biliangady, Sumana Gurunath, Ambika G Swamy, Indu S T Gopal
Background: Historically, to achieve higher pregnancy rates, multiple embryos were transferred after an in-vitro fertilisation (IVF). However, this practice is being reassessed, because it leads to multiple pregnancies that is known to cause adverse maternal and fetal outcomes. Aim: To compare the pregnancy outcomes in fresh IVF or intracytoplasmic sperm injection (ICSI) cycles among women undergoing elective single blastocyst transfer (eSBT) vs. those undergoing double blastocyst transfer (DBT)...
July 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29136144/antioxidants-improve-ivf-outcome-and-subsequent-embryo-development-in-the-mouse
#5
T Truong, D K Gardner
STUDY QUESTION: What is the effect of a combination of three antioxidants (Acetyl-L-Carnitine, N-Acetyl-L-Cysteine and α-Lipoic Acid), present in IVF medium during mouse oocyte and sperm collection, on fertilization and subsequent IVF embryo development? SUMMARY ANSWER: A combination of antioxidants resulted in faster developmental times from the 2-cell stage through to expanded blastocyst stage, accompanied by a significant increase in blastocyst cell number and a reduction of intracellular hydrogen peroxide (H2O2) levels...
November 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29134477/difference-in-the-size-of-the-placenta-and-umbilical-cord-between-women-with-natural-pregnancy-and-those-with-ivf-pregnancy
#6
Atsushi Yanaihara, Shota Hatakeyama, Shirei Ohgi, Kenichirou Motomura, Ryoma Taniguchi, Aguri Hirano, Shin Takenaka, Takumi Yanaihara
PURPOSE: The purpose of this study was to compare the sizes of the placenta and umbilical cord in women with natural pregnancy versus those undergoing in vitro fertilization (IVF). METHODS: Overall, 1610 cases of uncomplicated single pregnancies with vaginal delivery at ≥ 37 weeks of gestation were included in this study. The patients were divided into two groups: natural pregnancy group (n = 1453) and IVF pregnancy not including intracytoplasmic sperm injection (ICSI) treatment (n = 157)...
November 14, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29132734/role-of-vitamin-e-and-d3-supplementation-in-intra-cytoplasmic-sperm-injection-outcomes-of-women-with-polycystic-ovarian-syndrome-a-double-blinded-randomized-placebo-controlled-trial
#7
Farnaz Fatemi, Afsaneh Mohammadzadeh, Mohammad Reza Sadeghi, Mohammad Mehdi Akhondi, Shayan Mohammadmoradi, Koorosh Kamali, Nicknam Lackpour, Sheida Jouhari, Simin Zafadoust, Sara Mokhtar, Ladan Giahi
BACKGROUND & AIMS: Ovulation induction has been proven to impose oxidative stress during ICSI treatment cycle. Also, data indicates that PCOS women show higher oxidative markers. Available data are not convincing about which antioxidant supplements have the potential to overcome oxidative stress in PCOS subjects. The aim of this trial was to investigate the possible role of combined vitamin E and D supplementation in the ICSI outcomes (oocyte number and quality, embryo number and quality, pregnancy rate) of PCOS subjects...
April 2017: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29129781/effect-of-sperm-morphology-on-pregnancy-success-via-intrauterine-insemination-a-systematic-review-and-meta-analysis
#8
Taylor P Kohn, Jaden R Kohn, Ranjith Ramasamy
PURPOSE: Men with abnormal sperm morphology are often counseled that natural conception and intrauterine insemination are ineffective and that in vitro fertilization is the only option. Our objective is to determine the effect of sperm morphology on pregnancy success with intrauterine insemination (IUI). MATERIALS AND METHODS: We systematically searched for studies published prior to January 2017 that 1) reported ultrasound-verified clinical pregnancies per IUI cycle; 2) assessed sperm morphology using the Strict Criteria; and 3) reported morphology at the >4% and ≤4% and/or ≥1% and <1% thresholds...
November 9, 2017: Journal of Urology
https://www.readbyqxmd.com/read/29124676/cost-effectiveness-analysis-of-the-gonadotropin-treatments-hp-hmg-and-rfsh-for-assisted-reproductive-technology-in-france-a-markov-model-analysis
#9
Paul Barriere, Géraldine Porcu-Buisson, Samir Hamamah
OBJECTIVES: The objectives of this study were to assess (1) the expected cost of a live birth (LB) after in vitro fertilization with two different gonadotropin treatments [high purified human menopausal gonadotropin (HP-hMG) and recombinant follicle-stimulating hormone (rFSH)] as the single cost variable, and (2) the cost effectiveness of HP-hMG relative to rFSH in the context of the routine practice of assisted reproductive technology (ART) in France. METHODS: A Markov model was developed to simulate the therapeutic management, the in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI) courses, and the effects of complications in hypothetical cohorts of 30,000 patients undergoing IVF/ICSI with fresh embryo transfer (up to four attempts) using data from the MERIT and MEGASET clinical trials or from French routine ART practice...
November 9, 2017: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/29115118/adenomyosis-fertility-and-obstetric-outcome-a-comprehensive-literature-review
#10
Laura Buggio, Ermelinda Monti, Umberto Gattei, Dhohua Dridi, Paolo Vercellini
Adenomyosis is a benign condition characterized by the presence of endometrial glands and stroma deep within the myometrium. In recent years, the potential negative impact of adenomyosis on in vitro fertilization clinical outcomes has gained momentum, as well as, the possible link of this condition with obstetrical complications. The aim of this narrative review is to elucidate the possible association between uterine adenomyosis, infertility, and poor obstetrical outcomes. Several theories have been proposed to clarify the potential harmful impact of adenomyosis on fertility, such as a functional and structural defect of both the eutopic endometrium and the inner myometrium, an impairment of the uterine system of sperm transport, the presence of uterine dysperistalsis and of high levels of free radicals in the uterine milieu of women with the disease...
November 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/29112712/the-protective-role-of-melatonin-in-porcine-oocyte-meiotic-failure-caused-by-the-exposure-to-benzo-a-pyrene
#11
Yilong Miao, Changyin Zhou, Qingyun Bai, Zhaokang Cui, Xiayan ShiYang, Yajuan Lu, Mianqun Zhang, Xiaoxin Dai, Bo Xiong
STUDY QUESTION: Does melatonin restore the benzo(a)pyrene (BaP)-induced meiotic failure in porcine oocytes? SUMMARY ANSWER: Melatonin effectively inhibits the increased reactive oxygen species (ROS) level and apoptotic rate in BaP-exposed porcine oocytes to recover the meiotic failure. WHAT IS KNOWN ALREADY: BaP, a widespread environmental carcinogen found in particulate matter, 2.5 µm or less (PM2.5), has been shown to have toxicity at the level of the reproductive systems...
November 3, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29110260/disparities-in-reproductive-outcomes-according-to-the-endometrial-preparation-protocol-in-frozen-embryo-transfer-the-risk-of-early-pregnancy-loss-in-frozen-embryo-transfer-cycles
#12
I Hatoum, L Bellon, N Swierkowski, M Ouazana, S Bouba, K Fathallah, B Paillusson, M Bailly, F Boitrelle, L Alter, M Bergère, J Selva, R Wainer
PURPOSE: The purpose of this study was to determine the effect of stimulated and artificial endometrial preparation protocols on reproductive outcomes in frozen embryo transfer (FET) cycles. METHODS: We performed a retrospective study of 1926 FET cycles over a 3.5-year period in the Fertility Unit at a University Hospital. Stimulated and artificial protocols were used for endometrial preparation. The embryos for FET were obtained from either in vitro fertilization or intracytoplasmic sperm injection cycles...
November 6, 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29105483/fsh-dose-to-stimulate-different-patient-ages-when-less-is-more
#13
Edson Borges, Bianca F Zanetti, Amanda S Setti, Daniela Paf Braga, Rita de Cássia S Figueira, Assumpto Iaconelli
OBJECTIVE: To determine the effect of FSH doses on intracytoplasmic sperm injection (ICSI) outcomes according to the age of the patient. METHODS: Patients undergoing controlled ovarian stimulation (COS) for ICSI cycles in a university-affiliated in vitro fertilization center were split into age groups: ≤35 y.o. (n=1523); >35 and ≤38 y.o. (n=652); >38 and ≤40 y.o. (n=332); and >40 y.o. (n=370). The effect of FSH dose on COS, laboratorial and clinical outomes was determined by linear regression models...
November 6, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29102407/physical-and-kinematic-properties-of-cryopreserved-camel-sperm-after-elimination-of-semen-viscosity-by-different-techniques
#14
Khalid El-Bahrawy, Sherif Rateb, Marwa Khalifa, Davide Monaco, Giovanni Lacalandra
This investigation aimed to determine the influence of using different techniques for liquefaction of semen on post-thaw physical and dynamic characteristics of camel spermatozoa. A total of 144 ejaculates were collected from 3 adult camels, Camelus dromedarius, twice-weekly over 3 consecutive breeding seasons. A raw aliquot of each ejaculate was evaluated for physical and morphological properties, whereas the remaining portion was diluted (1:3) with glycerolated Tris lactose egg yolk extender, and was further subjected to one of the following liquefaction treatments: control (untreated), 5μl/ml α-amylase, 0...
October 31, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29100809/comments-on-the-eshre-recommendations-for-the-treatment-of-minimal-endometriosis-in-infertile-women
#15
Angelos Daniilidis, George Pados
According to ESHRE recommendations for women with stage I/II endometriosis, if a decision is made to proceed to laparoscopy then operative laparoscopy (excision or ablation of the endometriotic lesions) should be performed rather than only diagnostic laparoscopy, to increase ongoing pregnancy rates. Also, for infertile women with stage I/II endometriosis doctors may consider complete surgical removal of endometriosis to improve live birth rate prior to assisted reproductive treatment. This last recommendation is not well established...
October 23, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29099693/comparative-analysis-of-sperm-selection-methods-before-the-intra-cytoplasmic-sperm-injection-procedure
#16
O Lohinova, V Pitko, N Sinilo, Ya Cherkashyna, N Hanzha
In recent years, one of the methods of assisted reproductive technologies has become increasingly widespread, namely the ICSI procedure (ICSI - Intra Cytoplasmic Sperm Injection). This method is based on artificial introduction of the spermatozoon into the cytoplasm of the oocyte. However, the complexity of this method is that the choice of a morphologically and biochemically mature spermatozoon becomes subjective. However, not so long ago, an innovative method for selecting mature, ready-to-fertilize spermatozoa was proposed...
October 2017: Georgian Medical News
https://www.readbyqxmd.com/read/29096046/oral-medications-including-clomiphene-citrate-or-aromatase-inhibitors-with-gonadotropins-for-controlled-ovarian-stimulation-in-women-undergoing-in-vitro-fertilisation
#17
REVIEW
Mohan S Kamath, Abha Maheshwari, Siladitya Bhattacharya, Kar Yee Lor, Ahmed Gibreel
BACKGROUND: Gonadotropins are the most commonly used medications for controlled ovarian stimulation in in vitro fertilisation (IVF). However, they are expensive and invasive, and are associated with the risk of ovarian hyperstimulation syndrome (OHSS). Recent calls for more patient-friendly regimens have led to growing interest in the use of clomiphene citrate (CC) and aromatase inhibitors with or without gonadotropins to reduce the burden of hormonal injections. It is currently unknown whether regimens using CC or aromatase inhibitors such as letrozole (Ltz) are as effective as gonadotropins alone...
November 2, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29095856/reproductive-effects-of-cadmium-on-sperm-function-and-early-embryonic-development-in-vitro
#18
Li-Lin Zhao, Yan-Fei Ru, Miao Liu, Jia-Nan Tang, Ju-Fen Zheng, Bin Wu, Yi-Hua Gu, Hui-Juan Shi
Cadmium is a major environmental toxicant that is released into the atmosphere, water and soil in the form of cadmium oxide, cadmium chloride, or cadmium sulfide via industrial activities, such as the manufacturing of batteries and pigments, metal smelting and refining and municipal waste incineration. In the present study, we investigated the effects of cadmium exposure on sperm quality parameters, fertilization capacity and early embryonic development. Our study showed that in vitro incubation of human or mouse sperms with cadmium for a long time (up to 24 hours) could significantly decreased sperm motility in a concentration- and time-dependent manner...
2017: PloS One
https://www.readbyqxmd.com/read/29093204/in-vitro-fertilization-in-mice
#19
Robert Taft
In vitro fertilization (IVF) involves fertilization of mature oocytes with capacitated sperm in a tissue culture dish. This technique can generate large numbers of cleavage-stage embryos without using a significant number of single-caged stud males for mating. In addition, sperm penetration is synchronous during incubation with mature oocytes, leading to synchronous development, unlike fertilization in vivo, when natural ovulation is usually spread over time. These embryos can be used for a variety of applications including rapid strain expansion and generation of age-matched experimental cohorts as well as cryopreservation at the two-cell stage (speed cryo)...
November 1, 2017: Cold Spring Harbor Protocols
https://www.readbyqxmd.com/read/29093203/mouse-sperm-cryopreservation-using-cryoprotectant-containing-monothioglycerol-mtg
#20
Robert Taft
Significant progress has been made in sperm cryopreservation. It is now possible to achieve more consistent fertilization rates using in vitro fertilization (IVF) with cryorecovered sperm. Including the antioxidant monothioglycerol (MTG) in the cryoprotectant may increase the fertilization rate. This protocol has been successfully used at The Jackson Laboratory since 2007 to cryopreserve >5000 strains on many genetic backgrounds. Although it is possible to recover motile sperm from 2-yr-old mice, sperm quality often begins to decline by 6 mo of age...
November 1, 2017: Cold Spring Harbor Protocols
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