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Uterine factor infertility

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https://www.readbyqxmd.com/read/28400311/pregnancy-birth-and-infant-outcomes-by-maternal-fertility-status-the-massachusetts-outcomes-study-of-assisted-reproductive-technology
#1
Barbara Luke, Daksha Gopal, Howard Cabral, Judy E Stern, Hafsatou Diop
BACKGROUND: Births to subfertile women, with and without infertility treatment, have been reported to have lower birthweights and shorter gestations, even when limited to singletons. It is unknown whether these decrements are due to parental characteristics or aspects of infertility treatment. OBJECTIVE: To evaluate the effect of maternal fertility status on the risk of pregnancy, birth, and infant complications STUDY DESIGN: All singleton live births of ≥22 weeks' gestation and ≥350 grams birthweight to Massachusetts resident women in 2004-10 were linked to hospital discharge and vital records...
April 8, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28395322/de-and-recellularization-of-the-pig-uterus-a-bioengineering-pilot-study%C3%A2
#2
Hannes Campo, Pedro M Baptista, Nuria López-Pérez, Amparo Faus, Irene Cervelló, Carlos Simón
Absolute uterine factor infertility, or the absence of a functional uterus, has a prevalence of 3%-5% in the general population. Despite the great strides being made in reproductive medicine, patients diagnosed with absolute uterine factor infertility remain untreatable. The only available solution has been gestational surrogacy, but recently the Brannström group presented a viable alternative by reporting the first successful live birth after uterus transplantation. Similar to other transplantations, this approach has inherent limitations such as the paucity of donor organs and the need for long-term immunosuppression...
January 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28368537/tissue-specific-ablation-of-the-lif-receptor-in-the-murine-uterine-epithelium-results-in-implantation-failure
#3
JrGang Cheng, Gracy Rosario, Tatiana V Cohen, Jianbo Hu, Colin L Stewart
The cytokine Leukemia inhibitory factor (LIF) is essential for rendering the uterus receptive for blastocyst implantation. In mice LIF receptor expression (LIFR) is largely restricted to the uterine luminal epithelium (LE). LIF, secreted from the endometrial glands (GE) binds to the LIFR, activating the Jak-Stat3 signaling pathway in the LE. JAK-STAT activation converts the LE to a receptive state so that juxtaposed blastocysts begin to implant. To specifically delete the LIFR in the LE we derived a line of mice in which Cre recombinase was inserted into the endogenous Lactoferrin gene (Ltf-Cre)...
March 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28357688/uterus-transplantation-and-beyond
#4
Mats Brännström
Uterus transplantation is today the only available treatment for absolute uterine factor infertility which is caused by either congenital/surgical uterine absence or that a present uterus is non-functioning. Structured animal-based research, from rodents to nonhuman primates, was the scientific basis for a successful introduction of uterus transplantation as a clinical procedure. The patient groups for uterus transplantation, the preclinical research and data from the published human cases will be covered herein...
May 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28339553/de-and-recellularization-of-the-pig-uterus-a-bioengineering-pilot-study%C3%A2
#5
Hannes Campo, Pedro M Baptista, Nuria López-Pérez, Amparo Faus, Irene Cervelló, Carlos Simón
Absolute uterine factor infertility, or the absence of a functional uterus, has a prevalence of 3%-5% in the general population. Despite the great strides being made in reproductive medicine, patients diagnosed with absolute uterine factor infertility remain untreatable. The only available solution has been gestational surrogacy, but recently the Brannström group presented a viable alternative by reporting the first successful live birth after uterus transplantation. Similar to other transplantations, this approach has inherent limitations such as the paucity of donor organs and the need for long-term immunosuppression...
December 27, 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/28326519/influence-of-diet-on-the-risk-of-developing-endometriosis
#6
Joanna Jurkiewicz-Przondziono, Magdalena Lemm, Anna Kwiatkowska-Pamuła, Ewa Ziółko, Mariusz K Wójtowicz
Endometriosis is a hormone-dependent chronic inflammatory disease characterized by the presence of endometrium beyond the uterine cavity. The disease affects 5-15% of women of child-bearing age, 30-50% of whom suffer from infertility. Understanding the role of dietary factors in the development of endometriosis is critical to development of effective dietary instructions for prevention. Existing studies concerning nutrition and endometriosis suggest that diet is a potentially modifiable risk factor for endometriosis...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28288431/non-art-pregnancy-predictive-factors-in-infertile-patients-with-peritoneal-superficial-endometriosis
#7
J Boujenah, I Cedrin-Durnerin, C Herbemont, C Sifer, C Poncelet
OBJECTIVE: To study the predictive factors for non-ART pregnancy in infertile women after laparoscopic diagnosis and surgery for isolated superficial peritoneal endometriosis (SUP). STUDY DESIGN: Retrospective observational study from January-2004 to December-2015 in a tertiary care university hospital and Assisted Reproductive Technology (ART) centre. Infertile women with laparoscopic surgery for SUP (with histologic diagnosis) were included. The surgical treatment was followed by spontaneous fertility or post-operative ovarian stimulation (pOS) using superovulation (gonadotrophins)±Intra Uterine Insemination (IUI)...
March 7, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28286810/epidemiology-and-related-risk-factors-of-preterm-labor-as-an-obstetrics-emergency
#8
Ali Asghar Halimi Asl, Saeed Safari, Mohsen Parvareshi Hamrah
INTRODUCTION: Preterm birth is still a major health problem throughout the world, which results in 75% of neonatal mortality. Preterm labor not only inflicts financial and emotional distress, it may also lead to permanent disability. The present study was conducted to determine the related risk factors and preventive measures of preterm labor. METHODS: This retrospective cross-sectional study assessed all preterm labors, as well as an equal number of term labors, during seven years, at an educational hospital...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28264580/-ethical-aspects-of-uterus-transplantation
#9
Roman Chmel, Marta Nováčková, Zlatko Pastor, Jan Matěcha, Miloš Čekal, Jiří Froněk
Uterus transplantation is an experimental treatment method with an ambition to become accepted treatment modality for women with absolute uterine factor infertility. The only legal alternative for these women to get parenthood is adoption which is accepted by most world societies and countries. Surrogate pregnancy is connected with many medical, ethical, legal, religious and social controversies in the great part of the world.Donors (in living donation), recipients, partners and also unborn children must be incorporated into the analysis of ethical risks and benefits of uterus transplantation...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28264579/-possibility-of-uterus-transplantation-trial-in-czech-republic-indications-research-and-clinical-experience
#10
Roman Chmel, Marta Nováčková, Zlatko Pastor, Jan Matěcha, Miloš Čekal, Jiří Froněk
Uterus transplantation is a novel experimental method of female infertility treatment. It is an appropriate treatment modality for women with absolute uterine factor infertility - congenital uterine malformations, absent uterus, hysterectomized women and non-functional uterus.Successful animal studies confirming the safety and efficacy were performed before introduction of uterus transplantation into human medicine. The first clinical trial was performed in 2012-2013 in Gothenburg, Sweden. The first child from the transplanted womb was delivered in 2014...
2017: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/28259137/chronic-endometritis-modifies-decidualization-in-human-endometrial-stromal-cells
#11
Di Wu, Fuminori Kimura, Luyi Zheng, Mitsuaki Ishida, Yoko Niwa, Kimiko Hirata, Akie Takebayashi, Akiko Takashima, Kentaro Takahashi, Ryoji Kushima, Guangmei Zhang, Takashi Murakami
BACKGROUND: Chronic endometritis (CE) is a continuous inflammation of uterine endometrium, and it is usually symptomless. As CE has been thought not to affect the reproductive status and general health of affected women, its significance has not been explored. However, recent studies have shown that CE is related with repeated implantation failures after in vitro fertilization-embryo transfer, unexplained infertility, and recurrent miscarriages. As decidua differentiates to support the implantation process and maintains the pregnancy, we hypothesized that CE may influence the process of decidualization...
March 4, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28183999/gain-of-function-%C3%AE-catenin-in-the-uterine-mesenchyme-leads-to-impaired-implantation-and-decidualization
#12
Amanda L Patterson, Jamieson Pirochta, Stephanie Y Tufano, Jose M Teixeira
Embryo implantation and endometrial decidualization are critical events that occur during early pregnancy in humans and mice, and perturbation in either can result in infertility. WNT signaling through the canonical β-catenin pathway plays a pivotal role in embryonic Müllerian duct development, postnatal uterine maturation and establishment of pregnancy. Loss of β-catenin in the Müllerian duct mesenchyme (MDM)-derived stroma and myometrium results in impaired decidualization and infertility, whereas gain-of-function (GOF) results in the formation of mesenchymal tumors and sub-fertility attributed to malformed oviducts...
April 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28090464/the-efficacy-of-intrauterine-instillation-of-granulocyte-colony-stimulating-factor-in-infertile-women-with-a-thin-endometrium-a-pilot-study
#13
Dayong Lee, Jae Dong Jo, Seul Ki Kim, Byung Chul Jee, Seok Hyun Kim
OBJECTIVE: The study aimed to investigate the efficacy of intrauterine instillation of granulocyte colony-stimulating factor (G-CSF) on the day of ovulation triggering or oocyte retrieval in infertile women with a thin endometrium. METHODS: Fifty women whose endometrial thickness (EMT) was ≤8 mm at the time of triggering during at least one previous in vitro fertilization (IVF) cycle and an index IVF cycle were selected. On the day of triggering (n=12) or oocyte retrieval (n=38), 300 µg of G-CSF was instilled into the uterine cavity...
December 2016: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28049832/forkhead-box-a2-foxa2-is-essential-for-uterine-function-and-fertility
#14
Andrew M Kelleher, Wang Peng, James K Pru, Cindy A Pru, Francesco J DeMayo, Thomas E Spencer
Establishment of pregnancy is a critical event, and failure of embryo implantation and stromal decidualization in the uterus contribute to significant numbers of pregnancy losses in women. Glands of the uterus are essential for establishment of pregnancy in mice and likely in humans. Forkhead box a2 (FOXA2) is a transcription factor expressed specifically in the glands of the uterus and is a critical regulator of postnatal uterine gland differentiation in mice. In this study, we conditionally deleted FOXA2 in the adult mouse uterus using the lactotransferrin Cre (Ltf-Cre) model and in the neonatal mouse uterus using the progesterone receptor Cre (Pgr-Cre) model...
February 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28034338/bioengineering-strategies-to-treat-female-infertility
#15
Che-Ying Kuo, Hannah Baker, Melissa H Fries, James J Yoo, Peter C W Kim, John P Fisher
Bioengineering strategies have demonstrated enormous potential to treat female infertility as a result of chemotherapy, uterine injuries, fallopian tube occlusion, massive intrauterine adhesions, congenital uterine malformations, and hysterectomy. These strategies can be classified into two broad categories as follows: (i) Transplantation of fresh or cryopreserved organs into the host and (ii) tissue engineering approaches that utilize a combination of cells, growth factors, and biomaterials that leverages the body's inherent ability to regenerate/repair reproductive organs...
February 3, 2017: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/28013320/angiogenesis-and-pro-angiogenic-factors-in-uterine-fibroids-facts-and-myths
#16
Monika Konarska, Anna Natalia Wrona, Veronika Aleksandrovych, Tomasz Bereza, Marek Sajewicz, Barbara Gach-Kuniewicz, Maciej Lis, Kinga Komnata, Mateusz Paziewski, Aleksandra Maleszka, Paweł Depukat, Bernard Solewski, Łukasz Warchoł
Uterine leiomyomata present major problem for females. Although they are benign tumors their frequency is associated with many symptoms like infertility, abdominal pain, menorrhagia. Authors based on their own morphological studies and review of the literature try to indicate main factors causing angiogenesis within leiomyomata and its influence on tumor growth. The strongest proangiogenic factor seems to be hypoxia, which stimulates up- and down-regulation of numerous genetically determined substances. Also mechanical pressure acting upon newly growing vessels is one of the factors which may determine formation of so called "vascular pseudocapsule" around the lesion...
2016: Folia Medica Cracoviensia
https://www.readbyqxmd.com/read/27995397/uterine-tissue-engineering-and-the-future-of-uterus-transplantation
#17
Mats Hellström, Sara Bandstein, Mats Brännström
The recent successful births following live donor uterus transplantation are proof-of-concept that absolute uterine factor infertility is a treatable condition which affects several hundred thousand infertile women world-wide due to a dysfunctional uterus. This strategy also provides an alternative to gestational surrogate motherhood which is not practiced in most countries due to ethical, religious or legal reasons. The live donor surgery involved in uterus transplantation takes more than 10 h and is then followed by years of immunosuppressive medication to prevent uterine rejection...
December 19, 2016: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/27966042/fertility-after-uterine-artery-embolization-for-symptomatic-multiple-fibroids-with-no-other-infertility-factors
#18
Antoine Torre, Arnaud Fauconnier, Vanessa Kahn, Olivier Limot, Laurence Bussierres, Jean Pierre Pelage
OBJECTIVES: To evaluate the fertility of women eligible for surgical multiple myomectomy, but who carefully elected a fertility-sparing uterine artery embolization (UAE). METHODS: Non-comparative open-label trial, on women ≤40 years, presenting with multiple symptomatic fibroids (at least 3, ≥3 cm), immediate pregnancy wish, and no associated infertility factor. Women had a bilateral limited UAE using tris-acryl gelatin microspheres ≥500 μm. Fertility, ovarian reserve, uterus and fibroid sizes, and quality of life questionnaires (UFS-QoL) were prospectively followed...
December 13, 2016: European Radiology
https://www.readbyqxmd.com/read/27965399/selenium-binding-protein-1-autoantibodies-in-ovarian-disorders-and-ovarian-cancer
#19
Yi Yu-Rice, Seby L Edassery, Nicole Urban, Ingegerd Hellstrom, Karl Eric Hellstrom, Youping Deng, Yan Li, Judith Luborsky
Infertility is a risk factor for ovarian cancer (OvCa). The goal was to determine if antibodies to Selenium Binding Protein 1 (SBP1), an autoantibody we identified in patients with premature ovarian failure (POF), occurs in both infertility and OvCa patients, and thus could be associated with preneoplasia. Anti-SBP1 was measured by immunoassay against recombinant SBP1, in sera from OvCa (n=41), infertility (n=92) and control (n=87) patients. Infertility causes were POF, unexplained, irregular ovulation or endometriosis...
December 13, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27941441/live-donors-of-the-initial-observational-study-of-uterus-transplantation-psychological-and-medical-follow-up-until-1-year-after-surgery-in-the-9-cases
#20
Niclas Kvarnström, Stina Järvholm, Liza Johannesson, Pernilla Dahm-Kähler, Michael Olausson, Mats Brännström
BACKGROUND: The first prospective observational study of uterus transplantation was initiated in 2013 with live donation to 9 women with absolute uterine factor infertility. We explored the medical complications and psychosocial wellbeing of the donors during the first postoperative year. METHODS: Complications were registered and graded according to the Clavien-Dindo (C-D) classification. Symptoms related to the surgery were registered. Data on length of hospital stay, sick leave, socioeconomic parameters, and life events were obtained...
March 2017: Transplantation
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