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Oocyte pick up

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https://www.readbyqxmd.com/read/29778922/interval-of-gonadotropin-administration-for-in-vitro-embryo-production-from-oocytes-collected-from-holstein-calves-between-2-and-6-months-of-age-by-repeated-laparoscopy
#1
Hernan Baldassarre, Luke Currin, Laura Michalovic, Anne-Marie Bellefleur, Karina Gutierrez, Rafael G Mondadori, Werner G Glanzner, Yasmin Schuermann, Rodrigo C Bohrer, Naomi Dicks, Rosalba Lopez, François-Xavier Grand, Christian Vigneault, Patrick Blondin, Jim Gourdon, Vilceu Bordignon
Laparoscopic Ovum Pick-Up (LOPU) in calves followed by in vitro embryo production (IVEP) and transfer (ET) into adult recipients has great potential for accelerated genetic gain through shortening of the generation interval. In this study, 11 Holstein calves were subjected to up to six LOPU procedures between the ages of 2-6 months at 2-3 weeks interval. In all cases, the animals received a CIDR 5 days prior to LOPU and were gonadotropin-stimulated starting at 72 h before LOPU using one of three protocols that were rotated twice among the animals during the study...
May 17, 2018: Theriogenology
https://www.readbyqxmd.com/read/29622407/-satisfaction-survey-on-the-use-of-autologous-oocyte-vitrification-in-assisted-reproductive-technologies
#2
P Boyer, F Lefebvre, C Siraudin, D Montjean, P Le Coz, M Gervoise-Boyer
OBJECTIVES: We organized a survey for in-vitro fertilization couples who beneficiated on self-preservation of part of the oocyte cohort. The main objective was to measure couples' satisfaction. Secondary objectives were; to identify how patients had been informed; to verify that the use of the ART technique met their expectations, and how they felt about oocyte or embryo freezing. METHODS: The data were collected by a questionnaire sent electronically to couples who had undergone partial vitrification of the oocyte cohort and at least one warming cycle...
April 2, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29615975/daytime-variation-in-serum-progesterone-during-the-mid-luteal-phase-in-women-undergoing-in-vitro-fertilization-treatment
#3
Lise Haaber Thomsen, Ulrik Schiøler Kesmodel, Claus Yding Andersen, Peter Humaidan
Objective: To investigate whether mid-luteal serum progesterone (P4 ) exhibits significant fluctuations during a 12-h daytime period in women undergoing in vitro fertilization (IVF) and to explore whether the extent of these fluctuations could impact the interpretation of luteal progesterone levels in a clinical setting. Design: Explorative pilot study. Setting: Public hospital-based fertility unit. Patients: Ten women undergoing IVF treatment...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29549827/variations-in-bovine-embryo-production-between-individual-donors-for-opu-ivf-are-closely-related-to-glutathione-concentrations-in-oocytes-during-in-vitro-maturation
#4
Takemasa Hidaka, Yutaka Fukumoto, Satoshi Yamamoto, Yasuhiro Ogata, Toshitaka Horiuchi
Variations in embryo production between individual oocyte donors represent a serious problem in cattle production, when implementing ovum pick-up (OPU) and in vitro maturation (IVM) of oocytes. However, the precise cause of this problem is unknown. Here, we aimed to investigate the relationship between the glutathione (GSH) concentration in IVM oocytes and embryo development to explore a potential cause of the variations between individual donors. First, we found a high positive correlation (r = 0.80) between the GSH concentration in IVM oocytes and the blastocyst development rate of oocytes collected in the same OPU session for each donor (N = 11)...
March 10, 2018: Theriogenology
https://www.readbyqxmd.com/read/29511578/male-infertility-azoozpermia-and-cryptozoospermia-incidence-among-three-infertility-clinics-in-turkey
#5
Seda Karabulut, İlknur Keskin, Pelin Kutlu, Nuri Delikara, Özhan Atvar, Metin I Öztürk
Objective: Semen parameters are directly correlated with the infertility of the male. Incidence rates of male factor infertility, azoospermia and cryptozoospermia differ according to many factors such as geographic region, age, occupation and body weight. The aim of the present study is to determine the incidence of male factor infertility, azoospermia and cryptozoospermia among patients who have been admitted to three separate infertility clinics in Turkey for infertility investigation and analyze the outcomes of these patients...
March 2018: Turkish Journal of Urology
https://www.readbyqxmd.com/read/29463152/the-influence-of-thyroid-autoimmunity-on-embryo-quality-in-women-undergoing-assisted-reproductive-technology
#6
A Andrisani, C Sabbadin, L Marin, E Ragazzi, F Dessole, D Armanini, G Donà, L Bordin, G Ambrosini
The influence of thyroid autoimmunity in assisted reproductive technology (ART) outcome in euthyroid women is still controversial. In this study, we retrospectively evaluated embryo quality in 123 euthyroid women undergoing ART with or without thyroid autoantibodies (TAA). Embryo quality was assessed in 119 embryos of 29 infertile patients with TAA and in 394 embryos of 94 infertile patients without TAA. Our results showed not statistically significant differences in age, body mass index, anti-Müllerian hormone, follicle stimulating hormone, free triiodothyronine, and free thyroxine levels between cases and controls...
February 20, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29338139/occurrence-of-ovarian-follicular-dominance-during-stimulation-for-ivm-impacts-usable-blastocyst-yield
#7
Sergio Romero, Ricardo Pella, Francisco Escudero, Ygor Pérez, Mario García, Patricia Orihuela
OBJECTIVE: To evaluate the influence of ovarian follicular dominance on the outcome of oocyte in-vitro maturation. METHODS: This retrospective cohort study included 21 patients with polycystic ovaries or polycystic ovary syndrome (Rotterdam criteria, 2004) subjected to 24 invitro maturation (IVM) cycles between October 2015 and January 2017. Patients undergoing IVM received minimal gonadotropin stimulation starting on day 2 or 3 of the cycle; ovum pick-up typically occurred on days 6 to 8...
March 1, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29259492/intra-follicular-kisspeptin-levels-are-related-to-oocyte-maturation-and-gonadal-hormones-in-patients-who-are-undergoing-assisted-reproductive-technology
#8
Yuka Taniguchi, Akira Kuwahara, Ayaka Tachibana, Yuya Yano, Kiyohito Yano, Yuri Yamamoto, Mikio Yamasaki, Takeshi Iwasa, Kenji Hinokio, Toshiya Matsuzaki, Minoru Irahara
Purpose: To assess the kisspeptin concentrations in follicular fluid and their relationship with clinical outcomes during assisted reproductive technology. Methods: Thirty-nine patients who were aged 24-40 years and underwent oocyte retrieval for in vitro fertilization/intracytoplasmic sperm injection participated in this study . In 65 follicular fluid samples that had been obtained from 30 patients and their blood samples, the kisspeptin levels were measured in order to investigate the correlations with their gonadal hormone levels...
October 2017: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29241919/does-the-freeze-all-policy-allow-for-a-better-outcome-in-assisted-reproductive-techniques-than-the-use-of-fresh-embryo-transfers-a-retrospective-study-on-cumulative-live-birth-rates
#9
Jui-Chun Chang, Ming-Jer Chen, Hwa-Fen Guu, Ya-Fang Chen, Yu-Chiao Yi, Hsiao-Fan Kung, Li-Yu Chen, Min-Min Chou
OBJECTIVE: There are increasing concerns regarding the adverse effects associated with control ovarian hyperstimulation (COH) in both endometrial and uterine environments. With the "segmentation treatment policy" of assisted reproductive techniques (ART), endometrial problems may be obviated through embryo cryopreservation. However, it remains unclear if the "freeze-all policy" offers a better outcome when compared with fresh embryo transfer (ET). To clarify this, we compared the cumulative live birth rates (CLBRs) between these two patient populations...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29211889/reduced-live-birth-rates-after-ivf-icsi-in-women-with-previous-unilateral-oophorectomy-results-of-a-multicentre-cohort-study
#10
Tekla Lind, Jan Holte, Jan I Olofsson, Nermin Hadziosmanovic, Johannes Gudmundsson, Elizabeth Nedstrand, Mikael Lood, Lars Berglund, Kenny Rodriguez-Wallberg
STUDY QUESTION: Is there a reduced live-birth rate (LBR) after IVF/ICSI treatment in women with a previous unilateral oophorectomy (UO)? SUMMARY ANSWER: A significantly reduced LBR after IVF/ICSI was found in women with previous UO when compared with women with intact ovaries in this large multicentre cohort, both crudely and after adjustment for age, BMI, fertility centre and calendar period and regardless of whether the analysis was based on transfer of embryos in the fresh cycle only or on cumulative results including transfers using frozen-thawed embryos...
February 1, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29177245/controlled-ovarian-stimulation-with-r-fsh-plus-r-lh-vs-hmg-plus-r-fsh-in-patients-candidate-for-ivf-icsi-cycles-an-rct
#11
Ensieh Shahrokh Tehraninejad, Mina Farshbaf Taghinejad, Batool Hossein Rashidi, Fedyeh Haghollahi
Background: Different combination of gonadotropin preparation has been introduced with no definite superiority of one over others in in vitro fertilization (IVF), but individualized regimens for each patient are needed. Objective: The aim of the present study was to investigate the effect of controlled ovarian stimulation with recombinant- follicle stimulating hormone (r-FSH) plus recombinant-luteinizing hormone (rLH) versus human menopausal gonadotropin (HMG) plus r-FSH on fertility outcomes in IVF patients...
July 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29151336/efficacy-of-bispectral-index-monitoring-for-prevention-of-anestheticawareness-and-complications-during-oocyte-pick-up-procedure
#12
Aykut Urfalıoğlu, Mahmut Arslan, Murat Bakacak, Hafize Öksüz, Ömer Faruk Boran, Gözen Öksüz
Background/aim: This study was planned by considering that the use of bispectral index (BIS) monitoring ensures sufficient depth of anesthesia and avoids anesthetic awareness and patient movement in the oocyte pick-up (OPU) procedure.Materials and methods: Ninety-eight patients undergoing OPU were randomly divided into 2 groups as the control group (n = 48) and BIS group (n = 50). After propofol and remifentanil induction, the control group was given additional propofol according to reaction response, while the BIS group was given propofol at BIS values of 60 and above with the aim that BIS values be 40?60...
November 13, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/29132036/holding-immature-bovine-oocytes-in-a-commercial-embryo-holding-medium-high-developmental-competence-for-up-to-10-h-at-room-temperature
#13
Osvaldo Bogado Pascottini, Maaike Catteeuw, Ann Van Soom, Geert Opsomer
Bovine in vitro embryo production (IVP) following Ovum Pick Up (OPU) is all too often hampered by a large time gap between the harvest of oocytes of the first and last OPU session of the day. Immediately after retrieval, oocyte maturation is initiated, resulting in oocytes maturing at different time points which necessitates laborious scheduling of the IVP process. In this study, the potential of a commercial embryo holding medium (EHM; Syngro, Bioniche Inc.) to hold immature bovine oocytes was validated. We assessed the effect of holding time and temperature on (1) oocytes' maturation; (2) blastocyst development and quality at day 8 post insemination; and (3) blastocyst yield in small groups of oocytes/zygotes simulating OPU settings...
February 2018: Theriogenology
https://www.readbyqxmd.com/read/29126090/the-vanishing-follicle-in-women-with-low-number-of-developing-follicles-during-assisted-reproduction
#14
Johnny S Younis, Shiran Yakovi, Ido Izhaki, Sami Haddad, Moshe Ben-Ami
OBJECTIVE: To investigate the occurrence of the "vanishing follicle" phenomenon in women with low number of developing follicles in assisted reproduction. STUDY DESIGN: Women with ≤ 6 follicles on the day of hCG administration with ≥ 14mm diameter were prospectively studied. Primary outcome measures were disappearance of ≥14mm and all-diameter follicles on the day of oocyte pick-up compared to the day of hCG administration. RESULTS: Among the 120 women recruited, 95 were found eligible and completed the study...
January 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29102132/effects-of-supplemental-calcium-salts-of-palm-oil-and-chromium-propionate-on-insulin-sensitivity-and-productive-and-reproductive-traits-of-mid-to-late-lactating-holstein-%C3%A3-gir-dairy-cows-consuming-excessive-energy
#15
T Leiva, R F Cooke, A P Brandão, R D Bertin, E A Colombo, V F B Miranda, L A C Lourenço, S M B Rodrigues, J L M Vasconcelos
This experiment compared insulin sensitivity, milk production, and reproductive outcomes in dairy cows consuming excessive energy during mid to late lactation and receiving in a 2 × 2 factorial design (1) concentrate based on ground corn (CRN; n = 20) or including 8% (DM basis) of Ca salts of palm oil (CSPO; n = 20), and (2) supplemented (n = 20) or not (n = 20) with 2.5 g/d of Cr-propionate. During the experiment (d 0-203), 40 multiparous, nonpregnant, lactating 3/4 Holstein × 1/4 Gir cows (initial days in milk = 81 ± 2; mean ± SE) were offered corn silage for ad libitum consumption, and individually received concentrate formulated to allow diets to provide 160% of their daily net energy for lactation requirements...
January 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29078197/source-treatment-and-type-of-nuclear-donor-cells-influences-in%C3%A2-vitro-and-in%C3%A2-vivo-development-of-embryos-cloned-by-somatic-cell-nuclear-transfer-in-camel-camelus-dromedarius
#16
Nisar A Wani, Seung B Hong
Experiments were conducted to evaluate the effect of source, treatment and type of nuclear donor cells on embryonic and fetal development of somatic cell nuclear-transfer reconstructs in dromedary camel. In experiment 1, actively growing, serum starved or confluent skin fibroblast cells were used as nuclear donors. In experiment 2, skin fibroblasts from 4 different animals while in experiment 3, skin fibroblasts and cumulus cells from the same animal were used as nuclear donors. In all the three experiments, mature oocytes collected by transvaginal ovum pick up were used as recipient cytoplasts...
October 16, 2017: Theriogenology
https://www.readbyqxmd.com/read/29078039/effectiveness-of-seminal-plasma-in-in-vitro-fertilization-treatment-a-systematic-review-and-meta-analysis
#17
REVIEW
G Saccone, A Di Spiezio Sardo, A Ciardulli, C Caissutti, M Spinelli, D Surbek, M von Wolff
BACKGROUND: With in vitro fertilization (IVF) techniques, only 20-25% of the transferred embryos lead to a pregnancy. OBJECTIVE: To evaluate the beneficial effects of seminal plasma (SP) or semen applied at the time of oocyte aspiration or embryo transfer. SEARCH STRATEGY: Electronic databases were searched from their inception up to August 2017. SELECTION CRITERIA: We included all randomized controlled trials (RCTs) evaluating the effects of SP or semen in IVF treatment...
October 27, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29040498/genome-stability-of-bovine-in-vivo-conceived-cleavage-stage-embryos-is-higher-compared-to-in-vitro-produced-embryos
#18
Olga Tšuiko, Maaike Catteeuw, Masoud Zamani Esteki, Aspasia Destouni, Osvaldo Bogado Pascottini, Urban Besenfelder, Vitezslav Havlicek, Katrien Smits, Ants Kurg, Andres Salumets, Thomas D'Hooghe, Thierry Voet, Ann Van Soom, Joris Robert Vermeesch
STUDY QUESTION: Is the rate and nature of chromosome instability (CIN) similar between bovine in vivo-derived and in vitro-cultured cleavage-stage embryos? SUMMARY ANSWER: There is a major difference regarding chromosome stability of in vivo-derived and in vitro-cultured embryos, as CIN is significantly lower in in vivo-derived cleavage-stage embryos compared to in vitro-cultured embryos. WHAT IS KNOWN ALREADY: CIN is common during in vitro embryogenesis and is associated with early embryonic loss in humans, but the stability of in vivo-conceived cleavage-stage embryos remains largely unknown...
November 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28988321/apoptotic-biomarkers-in-cumulus-cells-in-relation-to-embryo-quality-in-polycystic-ovary-syndrome
#19
Ensieh Salehi, Reza Aflatoonian, Ashraf Moeini, Nazila Yamini, Ebrahim Asadi, Zahra Khosravizadeh, Masoumeh Dehghan Tarzjani, Zhila Naghibi Harat, Farid Abolhassani
PURPOSE: To investigate associations between gene expression pattern of apoptotic biomarkers in cumulus cells of polycystic ovary syndrome (PCOS) patients and the quality of oocytes and embryos. METHODS: 40 intracytoplasmic sperm injection patients, of whom 20 were PCOS and 20 were healthy women, were included in this study. Serum hormone levels were measured using Radioimmunoassay for each patient. The expression of survivin, caspase-3, and caspase-7 in 200 cumulus complexes surrounding mature oocytes (100 in PCOS versus 100 in control groups) collected individually at pick up was examined by real-time polymerase chain reaction (real-time PCR)...
December 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28960429/the-effects-of-low-dose-human-chorionic-gonadotropin-combined-with-human-menopausal-gonadotropin-protocol-on-women-with-hypogonadotropic-hypogonadism-undergoing-ovarian-stimulation-for-in-vitro-fertilization
#20
Shutian Jiang, Yanping Kuang
OBJECTIVES: To investigate the effects of low-dose human chorionic gonadotropin (hCG) combined with human menopausal gonadotropin (HMG) protocol on cycle characteristics and outcomes of infertile women with hypogonadotropic hypogonadism (HH) undergoing ovarian stimulation for in vitro fertilization (IVF). DESIGN: A retrospective cohort study. SETTING: Tertiary-care academic medical centre. PATIENT(S): Forty-six infertile patients with HH and seventy-one infertile patients with tubal factor (TF) infertility undergoing IVF...
January 2018: Clinical Endocrinology
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