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Vaginal progesterone

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https://www.readbyqxmd.com/read/29338855/vitrified-blastocyst-transfer-cycles-with-the-use-of-only-vaginal-progesterone-replacement-with-endometrin-have-inferior-ongoing-pregnancy-rates-results-from-the-planned-interim-analysis-of-a-three-arm-randomized-controlled-noninferiority-trial
#1
Kate Devine, Kevin S Richter, Eric A Widra, Jeffrey L McKeeby
OBJECTIVE: To assess the noninferiority of vaginal P (Endometrin) compared with daily intramuscular P for replacement in programmed vitrified-warmed blastocyst transfer cycles and to assess the noninferiority of vaginal P in combination with intramuscular progesterone every third day compared with daily intramuscular P. DESIGN: Three-arm randomized controlled noninferiority study. To enable early recognition of inferiority if present, an a priori interim analysis was planned and completed once ongoing pregnancy data were available for 50% of the total enrollment goal...
January 12, 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29338136/plasmatic-estradiol-concentration-in-the-mid-luteal-phase-is-a-good-prognostic-factor-for-clinical-and-ongoing-pregnancies-during-stimulated-cycles-of-in-vitro-fertilization
#2
Rodopiano S Florêncio, Melaynne S B Meira, Marcos V da Cunha, Mylena N C R Camarço, Eduardo C Castro, Marta C C F Finotti, Vinicius A de Oliveira
OBJECTIVE: To evaluate the predictive efficiency of serum estradiol (E2) concentration in the mid-luteal phase regarding chemical, clinical, and ongoing pregnancies, in patients subjected to IVF/ICSI with fresh embryo transfer. METHODS: One hundred and forty-three patients undergoing IVF/ICSI met all the inclusion criteria for the present study. Most of the patients used antagonists, final maturation was achieved with recombinant chorionic gonadotrophin (HCG), and embryo transfer took place on days 3 to 5, but mostly on day 4...
January 16, 2018: JBRA Assisted Reproduction
https://www.readbyqxmd.com/read/29334660/global-proteomic-analysis-of-water-buffalo-bubalus-bubalis-saliva-at-different-stages-of-estrous-cycle-using-high-throughput-mass-spectrometry
#3
N G Shashikumar, R K Baithalu, S Bathla, S A Ali, P Rawat, A Kumaresan, S Kumar, B R Maharana, G Singh, D S Puneeth Kumar, S K Singh, S S Lathwal, L Jaiswal, T K Mohanty, A K Mohanty
Accurate and efficient detection of estrus is one of the major constraints for exploitation of the production potential of buffalo owing to its poor manifestation of estrus signs, seasonal differences in expression and higher incidences of silent estrus (29%). The current study focused on identification of estrus specific candidate proteins in saliva of buffaloes. Estrus was detected based on behavioral signs in response to the teaser and changes in reproductive organs and confirmed by per-rectal examination, trans-rectal USG of reproductive organs, cervico-vaginal mucus characteristics and blood serum progesterone estimation...
January 9, 2018: Theriogenology
https://www.readbyqxmd.com/read/29297950/effects-of-vaginal-progesterone-for-maintenance-tocolysis-on-uterine-electrical-activity
#4
Miha Lucovnik, Andreja Trojner Bregar, Lea Bombac, Ksenija Gersak, Robert E Garfield
AIM: The effectiveness of vaginal progesterone for maintenance tocolysis after arrested preterm labor remains controversial. Myometrial contractility can be assessed objectively and non-invasively after progesterone treatment by monitoring uterine electromyography (EMG). We examined the effects of vaginal progesterone on uterine EMG after successful acute tocolysis. METHODS: This was a randomized, double-blind, single-center study performed between 2012 and 2015...
January 3, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29260226/effect-of-cervical-pessary-on-spontaneous-preterm-birth-in-women-with-singleton-pregnancies-and-short-cervical-length-a-randomized-clinical-trial
#5
RANDOMIZED CONTROLLED TRIAL
Gabriele Saccone, Giuseppe Maria Maruotti, Antonia Giudicepietro, Pasquale Martinelli
Importance: Spontaneous preterm birth is a major cause of perinatal morbidity and mortality. It is unclear if a cervical pessary can reduce the risk of spontaneous preterm delivery. Objective: To test whether in asymptomatic women with singleton pregnancies and no prior spontaneous preterm birth but with short cervical length on transvaginal ultrasound, use of a cervical pessary would reduce the rate of spontaneous preterm birth at less than 34 weeks of gestation...
December 19, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29259465/is-human-chorionic-gonadotropin-supplementation-beneficial-for-frozen-and-thawed-embryo-transfer-in-estrogen-progesterone-replacement-cycles-a-randomized-clinical-trial
#6
Masahide Shiotani, Yukiko Matsumoto, Eri Okamoto, Satoshi Yamada, Yuri Mizusawa, Kohyu Furuhashi, Hiromi Ogata, Seiji Ogata, Shoji Kokeguchi
Aim: Human chorionic gonadotropin (hCG) is used frequently for luteal support in fresh in vitro fertilization cycles as it induces progesterone secretion from the ovaries after oocyte retrieval and modulates the endometrium for implantation in fresh cycles. In contrast, hCG is not usually used for the transfer of cryopreserved-thawed embryos in estrogen/progesterone replacement cycles because ovulation is suppressed. However, several studies have shown that luteinizing hormone and hCG receptors are present in the human endometrium and that hCG can directly induce the decidualization of endometrial stromal cells in vitro...
April 2017: Reproductive Medicine and Biology
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
#7
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/29248225/reproductive-performance-and-herd-exit-dynamics-of-lactating-dairy-cows-managed-for-first-service-with-the-presynch-ovsynch-or-double-ovsynch-protocol-and-different-duration-of-the-voluntary-waiting-period
#8
M L Stangaferro, R Wijma, M Masello, J O Giordano
The objective of this experiment was to evaluate the reproductive performance and herd exit dynamics of dairy cows managed for first service with programs varying in method of submission for insemination and voluntary waiting period (VWP) duration. Holstein cows from a commercial farm in New York were randomly allocated to receive timed artificial insemination (TAI) after the Double-Ovsynch protocol (GnRH, 7 d later PGF2α, 3 d later GnRH, 7 d later GnRH, 7 d later PGF2α, 56 h later GnRH, and 16 to 18 h later TAI) at 60 ± 3 d in milk (DIM) (DO60 = 458), TAI after Double-Ovsynch at 88 ± 3 DIM (DO88 = 462), or a combination of AI at detected estrus (starting at 50 ± 3 d in milk) and TAI with the Presynch-Ovsynch protocol (PGF2α, 14 d later PGF2α, 12 d later GnRH, 7 d later PGF2α, 56 h later GnRH, and 16 to 18 h later TAI; PSOv = 450)...
December 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29241443/characterization-of-molecular-changes-in-endometrium-associated-with-chronic-use-of-progesterone-receptor-modulators-ulipristal-acetate-versus-mifepristone
#9
Athilakshmi Kannan, Arpita Bhurke, Regine Sitruk-Ware, Parameswaran G Lalitkumar, Kristina Gemzell-Danielsson, Alistair R W Williams, Robert N Taylor, Milan K Bagchi, Indrani C Bagchi
Ulipristal acetate (UPA) is a selective progesterone receptor modulator (PRM), which is used as an emergency contraceptive in women. Recent studies demonstrated the efficacy of an UPA contraceptive vaginal ring (UPA-CVR) as a blocker of ovulation. However, the endometrium of women exposed to UPA over a 6-month period display glandular changes, termed PRM-associated endometrial changes (PAECs). We, therefore, investigated whether UPA-induced PAECs are associated with altered expression of the transcription factor heart- and neural crest derivatives-expressed protein 2 (HAND2) whose downregulation is observed in endometrial epithelial hyperplasia and cancer...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29224860/estrous-detection-intensity-and-accuracy-and-optimal-timing-of-insemination-with-automated-activity-monitors-for-dairy-cows
#10
C N S LeRoy, J S Walton, S J LeBlanc
The objectives of this observational study were to assess the ability of automated activity monitoring (AAM) to detect estrus for first insemination, the accuracy of detection, and the optimum interval from the estrus alert from the AAM system to insemination. Four commercial farms using 1 of 2 commercial AAM systems were studied over 1 yr. Cows were inseminated between 55 and 80 d in milk (DIM) based on AAM only, then by a combination of AAM and timed artificial insemination (AI). Blood progesterone was measured in 1,014 cows at wk 5, 7, and 9 postpartum; purulent vaginal discharge (PVD) was assessed at wk 5; and lameness and BCS at wk 7...
December 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29214681/thyroid-hormones-alter-estrous-cyclicity-and-antioxidative-status-in-the-ovaries-of-rats
#11
Quanwei Wei, Jaafar Sulieman Fedail, Lingfa Kong, Kaizhi Zheng, Chunhua Meng, Mohamed Babo Fadlalla, Fangxiong Shi
To expand our understanding of the roles of thyroid hormones on female reproduction, we induced hypo- and hyper-T rat models to investigate the roles of thyroid hormones on estrous cyclicity, as well as the antioxidative status in the ovaries of rats. In the current study, our data show that hypothyroidism (hypo-T) and hyperthyroidism (hyper-T) led to significantly reduced body weights and ovarain weights and delayed vaginal opening day. For hyper-T, thyroxine (T4), tri-iodothyronine (T3), progesterone (P4) and follicle-stimulating hormone (FSH) were significantly increased, while estradiol (E2) and luteinizing hormone (LH) were significantly decreased...
December 7, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29211837/effect-of-ovarian-hormones-and-mating-experience-on-the-preference-of-female-mice-to-investigate-male-urinary-pheromones
#12
Elizabeth A McCarthy, Ajay S Naik, Allison F Coyne, James A Cherry, Michael J Baum
In female mice the expression of receptive lordosis behavior requires estradiol and progesterone actions in the nervous system; however, the contribution of these hormones to females' motivation to seek out male pheromones is less clear. In an initial experiment, sexually naïve ovary-intact female mice preferred to investigate (make nasal contact with) testes-intact male as opposed to estrous female urine, provided they were in vaginal estrus. In a second experiment, groups of sexually naïve and mating-experienced, ovariectomized females were tested for urinary pheromone preference first without and then with ovarian hormone replacement...
December 2, 2017: Chemical Senses
https://www.readbyqxmd.com/read/29190738/cervical-hsv-2-infection-causes-cervical-remodeling-and-increases-risk-for-ascending-infection-and-preterm-birth
#13
Devin McGee, Arianna Smith, Sharra Poncil, Amanda Patterson, Alison I Bernstein, Karen Racicot
Preterm birth (PTB), or birth before 37 weeks gestation, is the leading cause of neonatal mortality worldwide. Cervical viral infections have been established as risk factors for PTB in women, although the mechanism leading to increased risk is unknown. Using a mouse model of pregnancy, we determined that intra-vaginal HSV2 infection caused increased rates of preterm birth following an intra-vaginal bacterial infection. HSV2 infection resulted in histological changes in the cervix mimicking cervical ripening, including significant collagen remodeling and increased hyaluronic acid synthesis...
2017: PloS One
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
#14
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/29180906/perceived-acceptability-of-progesterone-to-prevent-preterm-births-and-low-birth-weight-among-hiv-infected-and-hiv-uninfected-zambian-pregnant-women
#15
Jeffrey Man Hay Wong, Neha Kanga, Nupur Dogra, Mary Shilalukey Ngoma, Lena Serghides, Michael Silverman
Introduction: Intramuscular and vaginal progesterone are recommended for prevention of preterm labor (PTL) in women with risk factors. Studies are emerging to indicate that HIV-infected women on combination antiretroviral therapy (cART) are at risk of PTL and low birth weight (LBW), and may benefit from supplemental progesterone. This study aims to determine the perceived acceptability of various modes of progesterone supplementation to prevent PTL and LBW in HIV-infected and HIV-uninfected women...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/29177246/the-effect-of-24-hours-delay-in-oocyte-maturation-triggering-in-ivf-icsi-cycles-with-antagonist-protocol-and-not-elevated-progesterone-a-randomized-control-trial
#16
Robab Davar, Elham Naghshineh, Nosrat Neghab
Background: The best time of final oocyte maturation triggering in assisted reproduction technology protocols is unknown. This time always estimated by combined follicular size and blood progesterone level. Objective: The aim of this study was evaluation of the effect of delaying oocyte maturation triggering by 24 hr on the number of mature oocytes (MII) and other in vitro fertilization cycle characteristics in antagonist protocols with not-elevated progesterone (p ≤1 ng/ml)...
July 2017: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29176014/cervical-pessary-combined-with-vaginal-progesterone-for-the-prevention-of-spontaneous-preterm-birth-is-the-evidence-sufficient
#17
Hugo Madar, Aurélien Mattuizzi, Loïc Sentilhes
No abstract text is available yet for this article.
November 27, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/29174868/expression-of-gonadotropin-and-sex-steroid-hormone-receptor-mrna-in-the-utero-vaginal-junction-containing-sperm-storage-tubules-of-oviduct-during-sexual-maturation-in-japanese-quail
#18
Gautam Sudamrao Khillare, Kochiganti Venkata Hanuman Sastry, Radha Agrawal, Ritu Saxena, Jagmohan, Ram Pratap Singh
Sex steroid hormones play an important role in reproductive tissue development of avian species. However, their role in Japanese quail is yet to be established. To understand the physiological role of hormones involved in the development of sperm storage tubules (SSTs) in quail, we investigated expression profiles of gonadotropin (LH-R and FSH-R) and sex steroid hormone (PR-R, ER-α and ER-β) receptors in the uterovaginal junction (UVJ) containing SSTs before and during sexual maturation i.e. four to eight weeks...
November 22, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29157955/development-of-a-goat-model-for-evaluation-of-withaferin-a-cervical-implants-for-the-treatment-of-cervical-intraepithelial-neoplasia
#19
Leslie C Sherwood, Farrukh Aqil, Manicka V Vadhanam, Jeyaprakash Jeyabalan, Radha Munagala, David Hoetker, Sanjay Srivastava, Inder P Singh, Scott Cambron, Martin O'Toole, Wendy Spencer, Lynn P Parker, Ramesh C Gupta
Cervical cancer is caused by human papillomavirus (HPV). The disease develops over many years through a series of precancerous lesions. Cervical cancer can be prevented by HPV-vaccination, screening and treatment of precancer before development of cervical cancer. The treatment of high-grade cervical dysplasia (CIN(2+)) has traditionally been by cervical conization. Surgical procedures are associated with increased risk of undesirable side effects including bleeding, infection, scarring (stenosis), infertility and complications in later pregnancies...
November 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29157866/vaginal-progesterone-for-preventing-preterm-birth-and-adverse-perinatal-outcomes-in-singleton-gestations-with-a-short-cervix-a-meta-analysis-of-individual-patient-data
#20
Roberto Romero, Agustin Conde-Agudelo, Eduardo Da Fonseca, John M O'Brien, Elcin Cetingoz, George W Creasy, Sonia S Hassan, Kypros H Nicolaides
BACKGROUND: The efficacy of vaginal progesterone for preventing preterm birth and adverse perinatal outcomes in singleton gestations with a short cervix has been questioned after publication of the OPPTIMUM study. OBJECTIVE: To determine whether vaginal progesterone prevents preterm birth and improves perinatal outcomes in asymptomatic women with a singleton gestation and a midtrimester sonographic short cervix. DATA SOURCES: MEDLINE, EMBASE, LILACS, and CINAHL (from their inception to September 2017), Cochrane databases, bibliographies, and conference proceedings...
November 16, 2017: American Journal of Obstetrics and Gynecology
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