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Vaginal progesterone

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https://www.readbyqxmd.com/read/29768947/linking-back-to-back-stimulation-cycles-with-oral-contraceptives-or-progestins-in-women-undergoing-embryo-accumulation-for-preimplantation-genetic-testing-a-retrospective-study
#1
Jorge Rodriguez-Purata, Marta Devesa, Mónica Parriego, Clara Pardos, Ignacio Rodriguez, Nikolaos P Polyzos, Francisca Martínez, Buenaventura Coroleu
This retrospective study was carried out to determine which strategy is associated with improved outcomes in two back-to-back cycles when undergoing embryo accumulation. Eighty patients with two stimulation cycles performed with <45 days between retrievals between Jan'16-Mar'17 were included. Patients were segregated according to the strategy used to link stimulations: spontaneous menses (SM), vaginal micronized progesterone (VMP) or oral contraceptive pills (OCP). Main outcome measure was oocytes retrieved...
May 17, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29738749/the-vaginal-eukaryotic-dna-virome-and-preterm-birth
#2
Kristine M Wylie, Todd N Wylie, Alison G Cahill, George A Macones, Methodius G Tuuli, Molly J Stout
BACKGROUND: Despite decades of attempts to link infectious agents to preterm birth, an exact causative microbe or community of microbes remains elusive. Culture-independent sequencing of vaginal bacterial communities demonstrates community characteristics are associated with preterm birth, although none are specific enough to apply clinically. Viruses are important components of the vaginal microbiome and have dynamic relationships with vaginal bacterial communities. We hypothesized that vaginal eukaryotic DNA viral communities (the "vaginal virome") either alone or in the context of bacterial communities are associated with preterm birth...
May 5, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29730813/predictive-factors-of-gestational-diabetes-in-pregnancies-following-assisted-reproductive-technology-a-nested-case-control-study
#3
Azam Kouhkan, Mohammad E Khamseh, Ashraf Moini, Reihaneh Pirjani, Ameneh Ebrahim Valojerdi, Arezoo Arabipoor, Roya Hosseini, Hamid Reza Baradaran
PURPOSE: To evaluate predictive factors for gestational diabetes mellitus (GDM) in singleton pregnancy following assisted reproductive technology (ART). METHODS: This nested case-control study was performed during October 2016-June 2017. Pregnant women who conceived following ART procedures referred to infertility clinic were selected and categorized into GDM and non-GDM based on ADA/IAPDSG criteria. The study variables including age, educational status, first-degree family history of chronic diseases, systolic and diastolic blood pressure, previous obstetric and perinatal outcomes, infertility history, and ART cycle characteristics were collected from medical records...
May 5, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29724668/rationale-for-current-and-future-progestin-based-therapies-to-prevent-preterm-birth
#4
REVIEW
Megan Weatherborn, Sam Mesiano
Preterm birth (PTB) is the leading cause of neonatal morbidity and mortality worldwide. The only medicinal therapy currently recommended to prevent PTB is prophylactic progestin therapy in the form of micronized progesterone (P4) administered daily via vaginal suppository from the 24th to the 34th week of gestation or 17α-hydroxyprogesterone caproate in oil administered weekly from the 16th to the 36th week of gestation via an intramuscular injection. These therapies decrease the risk of PTB in women with an elevated risk of PTB indicated by a history of PTB or by a short cervix measured by sonography at mid-gestation...
April 11, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29708071/research-progress-of-progesterone-preparations-a-mini-review
#5
Mingzhu Ye, Weisan Pan, Xinggang Yang, Xiaoyu Zhang
BACKGROUND: Progesterone is a sex steroid hormone. Since it was discovered, it had been widely used in the prevention of spontaneous preterm birth, hormone replacement therapy and other gynecological conditions. METHOD: We will review the progesterone preparations based on a comprehensive study of papers and patents from the traditionally preparations up through the very recent literatures. RESULTS: This review mainly concentrates on oral, vaginal and micro delivery systems, involving different ways to prepare progesterone preparations...
April 27, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29699436/the-association-of-different-progesterone-preparations-with-preterm-birth-prevention
#6
Eyal Krispin, Eran Hadar, Rony Chen, Arnon Wiznitzer, Boris Kaplan
OBJECTIVE: We aimed to compare the efficacy of commonly available progesterone preparations for preterm birth prevention. METHODS: A retrospective cohort study of all women treated with progesterone to prevent preterm birth and delivered in a single university-affiliated tertiary medical-center. Four progesterone preparations were compared: vaginal Endometrin 100 mg twice daily, vaginal Crinone 8% gel 90 mg daily, vaginal Utrogestan 200 mg daily, and intramuscular 17α-hydroxyprogesterone caproate (17-OHPC) 250 mg weekly...
April 26, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29689249/effects-of-estrus-cycle-stage-on-defensive-behavior-in-female-long-evans-hooded-rats
#7
Nathan S Pentkowski, Yoav Litvin, D Caroline Blanchard, Robert J Blanchard
This study investigated the influence of the estrus cycle in mediating cat odor-induced unconditioned and conditioned defensive behaviors in female Long-Evans hooded rats. Unconditioned defensive behaviors were assessed during predatory cue exposure; conditioned defensive behaviors were examined 24 h after threat exposure. Estrus phases were determined by microscopic examination of vaginal smears within 10 min of completing the behavioral tests. Compared to no-odor controls, female rats exposed to cat odor exhibited both unconditioned and conditioned defensive behaviors, including elevated levels of freezing, risk assessment and avoidance...
April 21, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29686118/pearls-oy-sters-the-critical-role-of-histopathology-in-diagnosing-cancer-associated-necrotizing-cns-vasculitis
#8
Joshua Sheehan, Jessica Tate, Ryan Mott, Carol Geer, Rachel Wolfe, Roy E Strowd, Amy Guzik
OBJECTIVE: To highlight the importance of a broad differential and histopathologic confirmation in patients with newly diagnosed cancer with brain lesions atypical for CNS metastasis. METHODS: We report 2 cases of biopsy-proven CNS vasculitis in patients undergoing treatment for a newly diagnosed nonmetastatic cancer. Comprehensive medical record review was performed to identify the clinical presentation, representative neuroimaging, histopathologic features, and response to treatment...
April 24, 2018: Neurology
https://www.readbyqxmd.com/read/29684808/tissue-interactions-and-estrogenic-response-during-human-female-fetal-reproductive-tract-development
#9
Gerald R Cunha, Takeshi Kurita, Mei Cao, Joel Shen, Paul S Cooke, Stanley J Robboy, Laurence S Baskin
The role of tissue interactions was explored to determine whether epithelial differentiation within the developing human reproductive tract is induced and specified by mesenchyme in tissue recombinants composed of mouse vaginal mesenchyme + human uterine tubal epithelium (mVgM+hTubE). The tissue recombinants were grown in DES-treated ovariectomized athymic mice. After 2-4 weeks of in vivo growth, several vaginal specific features were expressed in the human tubal epithelium. The mesenchyme-induced effects included morphological change as well as expression of several immunohistochemical markers...
April 18, 2018: Differentiation; Research in Biological Diversity
https://www.readbyqxmd.com/read/29583019/vaginal-progesterone-and-the-vaginal-first-pass-effect
#10
M P Warren
Vaginal progesterone is an effective alternative to systemic administration by oral or intramuscular use. The first-pass effect is reviewed, as are the most common uses for this route of delivery. This includes use in hormone replacement therapy, luteal support particularly in assisted reproduction, and avoidance of side-effects of oral progestins and progesterone. Vaginal progesterone represents a unique therapeutic solution to a number of clinical problems.
March 27, 2018: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/29562260/towards-an-optimal-luteal-support-modality-in-agonist-triggered-cycles-a-randomized-clinical-trial
#11
E A Elgindy, H Sibai, M I Mostafa, A Gibreel, E Darwish, H Maghraby
STUDY QUESTION: In ICSI patients with high risk of ovarian hyperstimulation syndrome (OHSS), are antagonist cycles triggered by gonadotropin releasing hormone (GNRH) agonist with a specialized luteal support regimen associated with comparable ongoing pregnancy rate (OPR) and less OHSS than those triggered by hCG? SUMMARY ANSWER: In antagonist ICSI cycles, GnRH agonist triggering with a specialized luteal support regimen is associated with comparable OPR to those triggered by hCG but may be less likely to be associated with OHSS...
March 19, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29557230/a-randomised-trial-to-compare-200-mg-micronised-progesterone-effervescent-vaginal-tablet-daily-with-250-mg-intramuscular-17-alpha-hydroxy-progesterone-caproate-weekly-for-prevention-of-recurrent-preterm-birth
#12
Shruti Shambhavi, Rashmi Bagga, Pallavi Bansal, Jasvinder Kalra, Praveen Kumar
For prevention of a recurrent preterm birth (PTB), intramuscular 17-α-hydroxy progesterone caproate (IM 17 OHPC) weekly is recommended. Vaginal progesterone is preferred for women at risk for PTB due to a short cervical length, but may be useful in women with a prior PTB. However, there is no consensus about the optimal vaginal formulation or its efficacy as compared to 17 OHPC to prevent recurrent PTB. We randomised 100 women with a singleton pregnancy between 16 and 24 weeks of gestation and ≥ one prior spontaneous PTB, of a singleton (>16 to <37 weeks of gestation) to receive the 200 mg vaginal progesterone effervescent tablet daily (Group A) or IM 17-OHPC, 250 mg weekly (Group B) till 37 weeks of gestation or delivery...
March 20, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29550390/systematic-review-of-the-clinical-efficacy-of-vaginal-progesterone-for-luteal-phase-support-in-assisted-reproductive-technology-cycles
#13
REVIEW
Tim Child, Saoirse A Leonard, Jennifer S Evans, Amir Lass
Vaginal progesterone via capsule, gel or tablet is the most common route for luteal phase support (LPS) in Europe. Although there is a wealth of data comparing products used at other stages of assisted reproductive technology cycles, there is a lack of systematically identified evidence comparing the wide range of vaginal progesterone products. This systematic review queried the MEDLINE, Embase and Cochrane Library databases on 30 June 2016 to identify head-to-head randomized controlled trials (RCTs) comparing the efficacy or safety of vaginal progesterone preparations (Crinone, Cyclogest, Lutigest or Utrogestan Vaginal) for LPS in assisted reproductive technology cycles...
February 22, 2018: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29546775/progesterone-for-preparation-of-the-endometrium-for-frozen-thawed-blastocyst-transfer-in-vitro-fertilization-cycles-a-prospective-study-on-patients-opinions-on-a-new-subcutaneous-formulation
#14
Roberta Venturella, Alberto Vaiarelli, Laura Buffo, Pietro D'alessandro, Silvia Colamaria, Sara Pedri, Costantino Di Carlo, Erminia Alviggi, Marina Forte, Federica Faustini, Fulvio Zullo, Laura Rienzi, Flippo M Ubaldi
We aimed to evaluate patients' perspectives on a progesterone subcutaneous formulation for endometrial preparation for frozen-thawed blastocyst transfer. In this prospective study, women with at least one experience with vaginal progesterone, undergone endometrial preparation with oral estradiol valerate and daily subcutaneous progesterone administered from the fifth day before the transfer until the day of the beta-hCG test. Patients completed three questionnaires, at enrollment (Q1), for gathering information on the experience with vaginal treatment and expectations about the subcutaneous route and then at the time of the transfer (Q2) and eight days later (Q3)...
March 16, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29545003/blood-periovulatory-progesterone-quantification-using-different-techniques-in-the-dog
#15
Alessia Gloria, Alberto Contri, Augusto Carluccio, Domenico Robbe
Blood progesterone concentration is used in several procedures related to the reproduction in the bitch, such as ovulation monitoring, estimating time of parturition, or hypo-luteoidism management. Several techniques are available to evaluate blood progesterone concentration, such as the radioimmunoassay (RIA), the chemiluminescent immunoassay (CLIA), and the enzyme-linked immunosorbent assay (ELISA). The aim of this study was to compare the blood progesterone concentration using these three methods during the periovulatory period of 23 bitches...
March 7, 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29537316/routine-second-trimester-cervical-length-screening-in-low-risk-women-identified-women-at-risk-of-a-very-preterm-birth-but-did-not-reduce-the-preterm-birth-rate-a-randomised-study-from-india
#16
Siddhidatri Mishra, Rashmi Bagga, Jasvinder Kalra, Vanita Jain, Sourabh Dutta
Women (n = 300) at 'low risk' for a preterm birth (PTB), a singleton pregnancy and for a 16-24 week period of gestation (POG) were randomised to undergo cervical length (CL) measurement by transvaginal sonography (TVS) or not. The aim was to see if routine CL measurement and treatment of a short CL reduced the PTB rate. 'Low risk' was defined by an absence of a prior abortion or PTB of a singleton infant (>16 to <37 weeks) due to a spontaneous preterm labour (PTL) or a preterm pre-labour rupture of membranes (pPROM)...
March 14, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29536576/implementation-of-universal-screening-for-preterm-delivery-by-mid-trimester-cervical-length-measurement
#17
Athena P Souka, Ioannis Papastefanou, Athanasios Pilalis, Dimitrios Kassanos, George Papadopoulos
OBJECTIVES: To assess the feasibility and the results of introducing a policy of universal screening for preterm delivery. METHODS: Transvaginal sonography for cervical length (CL) measurement was performed at 20-24 weeks of gestation. Vaginal progesterone therapy was offered to women with CL ≤ 15mm. RESULTS: 10,969 singleton pregnancies were assessed. The decline rate was 1.32%. Spontaneous preterm delivery at less than 32 weeks (SPD32), less than 34 weeks (SPD34) and less than 37 weeks (SPD37) occurred in 0...
March 14, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29526116/menopausal-hormone-therapy-a-better-and-safer-future
#18
D A Davey
Major advances in menopause hormone therapy (MHT) hold promise in the future of better and safer care for women at and after the menopause. The principal advances are: (1) the critical window or 'window of opportunity' in the 10 years or so after the menopause, during which the benefits of MHT in healthy women exceed any risks; (2) use of transdermal instead of oral administration of estrogen to reduce the risk of venous thromboembolism; (c) investigation of the use of oral micronized progesterone (MP) and vaginal MP to prevent endometrial hyperplasia and carcinoma without any increased risk of breast cancer and venous thromboembolism in postmenopausal women receiving estrogens; vaginal MP prevents endometrial proliferation in the short term but the long-term effects in MHT remain to be established; (4) investigation into the use of intrauterine levonorgestrel-releasing devices (LNG-IUDs), which are an attractive form of MHT in perimenopausal women, providing contraception and reducing uterine bleeding, although the risk of breast cancer with LNG-IUDs requires clarification...
March 11, 2018: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/29514448/reproductive-fecundity-of-iraqi-awassi-ewes-immunized-against-synthetic-inhibin-%C3%AE-subunit-or-steroid-free-bovine-follicular-fluid
#19
Jabbar Abbas Ahmed Al-Saaidi, Khalisa Khadim Khudair, Sura Safe Aubaes Al-Kafaji
Objective: The present study was conducted to investigate the impacts of active and passive immunization against synthetic inhibin and steroid-free bovine follicular fluid, respectively, on reproductive fecundity out of breeding season in Iraqi Awassi ewes. Methods: Follicular fluid was aspired from mature bovine follicles, treated with activated charcoal, and used for immunization of male rabbits for obtaining steroid free bovine follicular fluid (SFBFF) antiserum...
March 2, 2018: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/29488367/oral-dydrogesterone-vs-vaginal-progesterone-capsules-for-luteal-phase-support-in-women-undergoing-embryo-transfer-a-systematic-review-and-meta-analysis
#20
Marina Wanderley Paes Barbosa, Natália Paes Barbosa Valadares, Antônio César Paes Barbosa, Adelino Silva Amaral, José Rubens Iglesias, Carolina Oliveira Nastri, Wellington de Paula Martins, Hitomi Miura Nakagawa
OBJECTIVE: To identify, appraise, and summarize the evidence from randomized controlled trials (RCTs) comparing oral dydrogesterone to vaginal progesterone capsules for luteal-phase support (LPS) in women offered fresh or frozen embryo transfers following in vitro fertilization. METHODS: Two independent authors screened the literature for papers based on titles and abstracts, then selected the studies, extracted data, and assessed the risk of bias. Dydrogesterone and progesterone were compared based on risk ratios (RR) and the precision of the estimates was assessed through the 95% confidence interval (CI)...
February 28, 2018: JBRA Assisted Reproduction
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