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https://www.readbyqxmd.com/read/29349660/progestogen-hypersensitivity
#1
REVIEW
Rung-Chi Li, Kathleen M Buchheit, Jonathan A Bernstein
PURPOSE OF REVIEW: Progestogen hypersensitivity (PH) is a rare disorder which usually occurs in women of childbearing age with symptoms ranging from urticaria with or without angioedema, multiple organ involvement consistent with allergic anaphylaxis, to a spectrum of other non-evanescent skin eruptions. In this review, we present a clinical vignette of PH and discuss the clinical presentation and proposed pathomechanisms, diagnosis, and treatment of PH. RECENT FINDINGS: The hypersensitivity symptoms are associated with exogenous progestin exposure (e...
January 19, 2018: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/29337846/25-hydroxyvitamin-d-and-long-menstrual-cycles-in-a-prospective-cohort-study
#2
Anne Marie Z Jukic, Allen J Wilcox, D Robert McConnaughey, Clarice R Weinberg, Anne Z Steiner
BACKGROUND: Vitamin D insufficiency is associated with subfertility and prolonged estrus cycles in animals, but humans have not been well studied. METHODS: A prospective time-to-pregnancy study, Time to Conceive (2010-2015), collected up to 4 months of daily diary data. Participants were healthy, late reproductive-aged women in North Carolina who were attempting pregnancy. We examined menstrual cycle length as a continuous variable, as well as in categories: long (35+ days) and short (≤25 days)...
January 15, 2018: Epidemiology
https://www.readbyqxmd.com/read/29307402/luteal-phase-support-in-assisted-reproductive-technologies-from-here-to-there
#3
EDITORIAL
Dominique de Ziegler, Jean Marc Ayoubi, René Frydman, Renato Fanchin
No abstract text is available yet for this article.
January 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29259451/phase-iii-trial-of-8-vaginal-progesterone-gel-for-luteal-phase-support-in-japanese-women-undergoing-in-vitro-fertilization-and-fresh-embryo-transfer-cycles
#4
Shoji Kokeguchi, Naoki Hayashi, Daniela Rogoff, Shin Shimizu, Osamu Ishihara
Aim: This study evaluated the efficacy and safety of vaginal progesterone gel that was administered daily for luteal phase support as part of in vitro fertilization/embryo transfer (IVF/ET) cycles in Japanese women. Methods: This was a phase III, multicenter, open-label, single-arm trial in Japanese women undergoing IVF/ET, using the Japanese Society of Obstetrics and Gynecology 2009 registry as a historical control. The primary objective was to demonstrate the non-inferiority, with regard to the clinical pregnancy rate per ET, of vaginal progesterone gel that was administered once daily, compared with the historical standard value in IVF/ET cycles in Japan...
January 2017: Reproductive Medicine and Biology
https://www.readbyqxmd.com/read/29190387/chronic-hyperandrogenemia-in-the-presence-and-absence-of-a-western-style-diet-impairs-ovarian-and-uterine-structure-function-in-young-adult-rhesus-monkeys
#5
Cecily V Bishop, Emily C Mishler, Diana L Takahashi, Taylor E Reiter, Kise R Bond, Cadence A True, Ov D Slayden, Richard L Stouffer
STUDY QUESTION: Does chronic hyperandrogenemia beginning at menarche, in the absence and presence of a western-style diet (WSD), alter ovarian and uterine structure-function in young adult rhesus monkeys? SUMMARY ANSWER: Phenotypic alterations in ovarian and uterine structure/function were induced by exogenous testosterone (T), and compounded in the presence of a WSD (T+WSD). WHAT IS KNOWN ALREADY: Hyperandrogenemia is a well-established component of PCOS and is observed in adolescent girls, indicating a potential pubertal onset of disease symptoms...
November 28, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29175065/effect-of-the-initiation-of-progesterone-supplementation-in-in%C3%A2-vitro-fertilization-embryo-transfer-outcomes-a-prospective-randomized-controlled-trial
#6
Jun Gao, Fang Gu, Ben-Yu Miao, Ming-Hui Chen, Can-Quan Zhou, Yan-Wen Xu
OBJECTIVE: To analyze the influence of the start point of luteal support on clinical pregnancy rate, implantation rate, and live birth rate of in vitro fertilization and embryo transfer (IVF-ET) cycles. DESIGN: Single-center prospective randomized controlled trial. SETTING: University-affiliated IVF unit. PATIENT(S): Women ≤35 years of age with day 3 FSH levels <15 mIU/mL, who were undergoing their first IVF-ET cycles and received ovarian stimulation with the use of a GnRH agonist long protocol...
November 23, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/29152320/intramuscular-progesterone-gestone-versus-vaginal-progesterone-suppository-cyclogest-for-luteal-phase-support-in-cycles-of-in-vitro-fertilization-embryo-transfer-patient-preference-and-drug-efficacy
#7
Amal Yaseen Zaman, Serdar Coskun, Ahmed Abdullah Alsanie, Khalid Arab Awartani
Background: The requirement for luteal phase support (LPS) in stimulated IVF cycles is well established, however drug choice, and route of administration and duration of use are not. This report evaluates patients' preference and satisfaction by using either vaginal or intramuscular (IM) progesterone (P) supplementation for luteal phase support after in vitro fertilization and embryo transfer (IVF-ET). Methods: It is a prospective cohort study done in a reproductive and infertility unit in a tertiary care hospital from March 2013 through February 2015 for four hundred and nine patients undergoing IVF-ET...
2017: Fertility Research and Practice
https://www.readbyqxmd.com/read/29121217/effect-of-ulipristal-acetate-and-mifepristone-at-emergency-contraception-dose-on-the-embryo-endometrial-attachment-using-an-in-vitro-human-trophoblastic-spheroid-and-endometrial-cell-co-culture-model
#8
Hang-Wun Raymond Li, Ying-Xing Li, Tian-Tian Li, Hongjie Fan, Ernest Hung-Yu Ng, William Shu-Biu Yeung, Pak-Chung Ho, Kai-Fai Lee
STUDY QUESTION: Do both ulipristal acetate (UPA) and mifepristone inhibit embryo-endometrial attachment at concentrations corresponding to the emergency contraception (EC) dose? SUMMARY ANSWER: Both UPA and mifepristone at concentrations corresponding to the EC dose do not have an inhibitory effect on embryo implantation, although mifepristone at a higher concentration appeared to have such an effect. WHAT IS KNOWN ALREADY: Levonorgestrel is commonly used for EC, but it only acts through inhibition of ovulation...
November 7, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29105961/ultrasound-and-haematological-changes-during-the-early-luteal-phase-in-women-at-high-risk-for-developing-ovarian-hyperstimulation-syndrome
#9
George T Lainas, Tryfon G Lainas, Christos A Venetis, Ioannis A Sfontouris, Ioannis Z Zorzovilis, Efthymia Alexopoulou, Basil C Tarlatzis, Efstratios M Kolibianakis
OBJECTIVE: To assess ultrasound and haematological changes in ovarian hyperstimulation syndrome (OHSS) during the early luteal phase in women at high risk for developing OHSS. METHODS: This is a retrospective cohort study of 319 women undergoing in-vitro fertilisation (IVF), at high risk for OHSS following human chorionic gonadotrophin (hCG) triggering of final oocyte maturation. Patients were treated with GnRH agonist or antagonist protocol and were monitored for 5 days post oocyte retrieval...
November 6, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29102428/gnrha-trigger-and-luteal-coasting-a-new-approach-for-the-ovarian-hyperstimulation-syndrome-high-risk-patient
#10
Barbara Lawrenz, Peter Humaidan, Shahar Kol, Human M Fatemi
Final oocyte maturation using gonadotrophin-releasing hormone agonist (GnRHa) is increasingly common as it almost eliminates the risk of developing ovarian hyperstimulation syndrome (OHSS) in high-responder patients. The first studies using this approach showed a poor reproductive outcome when only vaginal progesterone was used as luteal phase support, due to the luteolysis that will develop as a result of LH withdrawal. Timely luteal administration of human chorionic gonadotrophin (HCG) will counterbalance the low LH concentrations and therefore maintain progesterone production from the corpora lutea, however, some patients with a high number of follicles will develop OHSS using this approach...
October 14, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29037085/luteal-phase-serum-progesterone-levels-after-gnrh-agonist-trigger-how-low-is-still-high-enough-for-an-ongoing-pregnancy
#11
B Lawrenz, S Samir, L Melado, F Ruiz, H M Fatemi
In the past years, individualization of assisted reproductive technique (ART)-treatment is increasingly common to customize the treatment protocol to the patient's specific conditions. The use of GnRH-agonist for final oocyte maturation in a gonadotropin-releasing hormone (GnRH)-antagonist protocol is the best approach to reduce the risk for ovarian hyperstimulation in high responder patients. However, due to severe luteolysis, the reproductive outcome with this approach in combination with the use of vaginal progesterone as luteal phase support, was poor...
October 16, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29023359/menstrual-disruption-with-exercise-is-not-linked-to-an-energy-availability-threshold
#12
Jay L Lieberman, Mary Jane De Souza, David A Wagstaff, Nancy I Williams
INTRODUCTION: Chronic reductions in energy availability (EA) suppress reproductive function. A particular calculation of EA quantifies the dietary energy remaining after exercise for all physiological functions. Reductions in LH pulse frequency have been demonstrated when EA using this calculation is < 30 kcal/ kg ffm·d. PURPOSE: We determined whether menstrual disturbances (MD) are induced when EA is < 30 kcal/ kg ffm·d. METHODS: Thirty-five sedentary, ovulatory women 18-24 yr (weight= 59...
October 10, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28954628/transcriptome-analysis-reveals-differences-in-mechanisms-regulating-cessation-of-luteal-function-in-pregnant-and-non-pregnant-dogs
#13
Sophie Zatta, Hubert Rehrauer, Aykut Gram, Alois Boos, Mariusz Pawel Kowalewski
BACKGROUND: In the domestic dog, corpora lutea (CL) are the only source of progesterone (P4), both in pregnant and non-pregnant cycles because there is no placental steroidogenesis. The absence of an endogenous luteolysin in absence of pregnancy results in long-lasting physiological pseudopregnancy, strongly contrasting with the acute luteolysis observed prepartum. The underlying biological mechanisms and the involvement of P4 signalling remain, however, not fully understood. Therefore, here, next-generation sequencing (RNA-Seq) was performed on CL from the late luteal phase and compared with normally luteolyzing CL collected at the prepartum P4 decrease...
September 27, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28938733/a-phase-iii-randomized-controlled-trial-comparing-the-efficacy-safety-and-tolerability-of-oral-dydrogesterone-versus-micronized-vaginal-progesterone-for-luteal-support-in-in-vitro-fertilization
#14
Herman Tournaye, Gennady T Sukhikh, Elke Kahler, Georg Griesinger
No abstract text is available yet for this article.
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28904504/role-of-serpine-gene-polymorphism-in-recurrent-implantation-failure-and-preeclampsia
#15
Nidhi Sharma, Jayashree K Srinivasan, Margeret Harriet Priya, Venkatachalam Sibiya
This is a rare case of serpine gene polymorphism causing thrombophilia and recurrent implantation failure following intrauterine insemination. SERPINE1 gene encodes plasminogen activator inhibitor type 1 and inhibits fibrinolysis, or clot dissolution. The 4G variant results in increased expression of SERPINE1 and consequently higher inhibition of fibrinolysis, thus leading to thrombophilia. The patient had unexplained primary infertility for 9 years. Ovulation induction was done with gonadotropin releasing hormone (GnRH) agonist long protocol...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28886590/corpora-lutea-in-superovulated-ewes-fed-different-planes-of-nutrition
#16
A Kraisoon, D A Redmer, C S Bass, C Navanukraw, S T Dorsam, V Valkov, A Reyaz, A T Grazul-Bilska
The corpus luteum (CL) is an ovarian structure which is critical for the maintenance of reproductive cyclicity and pregnancy support. Diet and/or diet components may affect some luteal functions. FSH is widely used to induce multiple follicle development and superovulation. We hypothesized that FSH would affect luteal function in ewes fed different nutritional planes. Therefore, the aim of this study was to determine if FSH-treatment affects (1) ovulation rate; (2) CL weight; (3) cell proliferation; (4) vascularity; (5) expression of endothelial nitric oxide (eNOS) and soluble guanylate cyclase (sGC) proteins; and (6) luteal and serum progesterone (P4) concentration in control (C), overfed (O), and underfed (U) ewes at the early- and mid-luteal phases...
August 12, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/28854586/folate-homocysteine-and-the-ovarian-cycle-among-healthy-regularly-menstruating-women
#17
Kara A Michels, Jean Wactawski-Wende, James L Mills, Karen C Schliep, Audrey J Gaskins, Edwina H Yeung, Keewan Kim, Torie C Plowden, Lindsey A Sjaarda, Ellen N Chaljub, Sunni L Mumford
STUDY QUESTION: How are concentrations of plasma homocysteine and serum folate associated with reproductive hormones and anovulation in regularly menstruating women? SUMMARY ANSWER: Higher homocysteine was associated with sporadic anovulation and hormonal changes that may be indicative of impaired ovulatory function, but higher serum folate was associated only with higher luteal phase progesterone. WHAT IS KNOWN ALREADY: Higher folate levels as well as some variants in genes relevant to one-carbon metabolism, are associated with improved reproductive outcomes and responses to fertility treatment, but only a few small studies have explored the relationship between markers of one-carbon metabolism and menstrual cycle characteristics...
August 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28837035/estradiol-use-in-the-luteal-phase-and-its-effects-on-pregnancy-rates-in-ivf-cycles-with-gnrh-antagonist-a-systematic-review
#18
REVIEW
Lanna Marla Andrade Pinheiro, Priscilla da Silva Cândido, Tássia Camila Moreto, Wanessa Gonzaga Di Almeida, Eduardo Camelo de Castro
For all the steps of in vitro fertilization to occur successfully, factors such as the quality of retrieved oocytes and endometrial receptivity to the embryo must be ensured. Current studies have shown that endometrial receptivity can be optimized using dedicated exogenous progesterone for luteal phase support in assisted reproduction cycles. But it has not yet been established the benefits of additional use of estradiol in this support. Analyzing pituitary suppression protocols that employ GnRH antagonists, this review will address literature publications between the years 2000-2016, shedding light on this issue to answer questions about the benefits of supplementation...
September 1, 2017: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/28829842/voice-in-different-phases-of-menstrual-cycle-among-naturally-cycling-women-and-users-of-hormonal-contraceptives
#19
Irena Pavela Banai
Previous studies have shown changes in women's behavior and physical appearance between the non-fertile and fertile phases of the menstrual cycle. It is assumed that these changes are regulated by fluctuations in sex hormone levels across the cycle. Receptors for sex hormones have been found on the vocal folds, suggesting a link between hormone levels and vocal fold function, which might cause changes in voice production. However, attempts to identify changes in voice production across the menstrual cycle have produced mixed results...
2017: PloS One
https://www.readbyqxmd.com/read/28826363/human-parturition-nothing-more-than-a-delayed-menstruation
#20
Mihaela Pavlicev, Errol R Norwitz
Humans are one of the few mammalian viviparous species in which pregnancy is extended beyond the luteal phase, the phase during which progesterone is synthesized by the maternal ovary. Instead, it is the fetal placenta that produces progesterone throughout the latter 2 trimesters of human pregnancy. The placenta is developmentally crucial for reproductive success and is the most conspicuous anatomical novelty of placental mammals. However, before it can exert its dual functions as both an endocrine organ and an organ capable of facilitating gas and nutrient exchange, enormous changes must take place within the uterus to not only tolerate the presence of this hemiallogeneic tissue but to also accommodate and support placental development...
January 1, 2017: Reproductive Sciences
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