keyword
MENU ▼
Read by QxMD icon Read
search

Progesterone in pregnancy

keyword
https://www.readbyqxmd.com/read/28230329/integrating-trans-abdominal-ultrasonography-with-fecal-steroid-metabolite-monitoring-to-accurately-diagnose-pregnancy-and-predict-the-timing-of-parturition-in-the-red-panda-ailurus-fulgens-styani
#1
Erin Curry, Lissa J Browning, Paul Reinhart, Terri L Roth
Red pandas (Ailurus fulgens styani) exhibit a variable gestation length and may experience a pseudopregnancy indistinguishable from true pregnancy; therefore, it is not possible to deduce an individual's true pregnancy status and parturition date based on breeding dates or fecal progesterone excretion patterns alone. The goal of this study was to evaluate the use of transabdominal ultrasonography for pregnancy diagnosis in red pandas. Two to three females were monitored over 4 consecutive years, generating a total of seven profiles (four pregnancies, two pseudopregnancies, and one lost pregnancy)...
February 23, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28224721/progesterone-driven-local-regulatory-t-cell-induction-does-not-prevent-fetal-loss-in-the-cba-j%C3%A3-dba-2j-abortion-prone-model
#2
Anne Schumacher, Dominique Dauven, Ana C Zenclussen
PROBLEM: Best known for its endocrine and immunologic properties, progesterone (P4) is a pivotal player for pregnancy success. However, the immunologic actions underlying P4 protection are not completely understood. Here, we investigated whether P4 application in a murine abortion-prone combination regulates regulatory T cells (Treg) and dendritic cells (DCs) and thereby affects pregnancy outcome. METHOD OF STUDY: Progesterone or vehicle was applied to DBA/2J-mated CBA/J abortion-prone animals in early pregnancy...
March 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28219760/maternal-exposure-to-perfluorooctanoic-acid-inhibits-luteal-function-via-oxidative-stress-and-apoptosis-in-pregnant-mice
#3
Yilu Chen, Ling Zhou, Jingjie Xu, Lu Zhang, Mo Li, Xingxing Xie, Yajuan Xie, Dan Luo, Dalei Zhang, Xiaochun Yu, Bei Yang, Haibin Kuang
Perfluorooctanoic acid (PFOA) is a synthetic perfluorinated compound, which has been reported to exert adverse effect on the pregnancy. However, whether it is associated with alteration of luteal function remains unknown. Mice were administered PFOA by gavage from gestational days (GD) 1 to 7 or 13. PFOA treatment did not significantly affect numbers of embryo implantation. Nevertheless, on GD 13, 10mg/kg PFOA treatment significantly increased numbers of resorbed embryo. Furthermore, PFOA exposure markedly reduced serum progesterone levels but did not affect estradiol levels...
February 17, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28216266/perinatal-administration-of-bisphenol-a-alters-the-expression-of-tight-junction-proteins-in-the-uterus-and-reduces-the-implantation-rate
#4
Annia A Martínez-Peña, Jorge Rivera-Baños, Laura L Méndez-Carrillo, Marcos I Ramírez-Solano, Aarón Galindo-Bustamante, J Carlos Páez-Franco, Morimoto Sumiko, Lorenza González-Mariscal, Cruz M Esther, C Adriana Mendoza-Rodríguez
We studied the effect of bisphenol-A (BPA) administration to rats, during the perinatal period, on the fertility of F1 generation and on the expression of tight junction (TJ) proteins in the uterus during early pregnancy. Pregnant Wistar dams (F0) received: BPA-L (0.05mg/kg/day), BPA-H (20mg/kg/day) or vehicle, from gestational day (GD) 6 to lactation day 21. F1 female pups were mated at 3 months of age and sacrificed at GD 1, 3, 6, and 7. Serum hormonal levels, ovulation rate, number of implantation sites and expression of TJ proteins in the uterus of F1 females were evaluated...
February 16, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28215691/fertility-of-lactating-dairy-cows-treated-with-gonadotropin-releasing-hormone-at-ai-5-days-after-ai-or-both-during-summer-heat-stress
#5
L G D Mendonça, F M Mantelo, J S Stevenson
Objectives of this experiment were to evaluate pregnancy per AI (P/AI) and progesterone (P4) concentrations after AI of lactating dairy cows under heat stress conditions treated with 100 μg gonadotropin-releasing hormone (GnRH) at AI, 5 d after AI, or both. Lactating Holstein cows from two herds were enrolled in the study during summer. Cows detected in estrus based on tail paint removal were allocated to four treatments: (1) control (CON = 722); (2) GnRH treatment at AI (G0 = 739); (3) GnRH treatment 5 d post-AI (G5 = 697); or (4) GnRH treatment at AI and 5 d post-AI (G0+G5 = 697)...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28215678/the-impact-of-ovarian-stimulation-protocol-on-oocyte-quality-subsequent-in%C3%A2-vitro-embryo-development-and-pregnancy-after-transfer-to-recipients-in-eld-s-deer-rucervus-eldii-thamin
#6
Ampika Thongphakdee, Debra K Berg, Theerawat Tharasanit, Nikorn Thongtip, Wanlaya Tipkantha, Chainarong Punkong, Daraka Tongthainan, Sakhon Noimoon, Umaporn Maikeaw, Nudthakamol Kajornklin, Boripat Siriaroonrat, Pierre Comizzoli, Sumate Kamolnorranath
Propagating genetically valuable individuals through oocyte collection, in vitro fertilization (IVF) and embryo transfer is critical to maintain sustainable populations of the endangered Eld's deer. The objectives of this study were to assess the impact of exogenous FSH injections on (1) the number and in vitro competence of oocytes collected and (2) the developmental potential of resulting IVF embryos after transfer into recipients during the breeding season (February-April). In a pilot experiment, estrus synchronization was conducted in three surplus females (using intravaginal progesterone-releasing devices, CIDRG for 14 days and injections of buserelin (a GnRH agonist)...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28214855/fatty-acid-binding-protein-4-in-endometrial-epithelium-is-involved-in-embryonic-implantation
#7
Peng Wang, Qiuyuan Zhu, Huilian Peng, Mengkai Du, Minyue Dong, Hanzhi Wang
AIMS: To clarify the role of fatty acid-binding protein 4 (FABP4) of endometrial epithelial cell in the establishment and maintenance of pregnancy and the involvement in the pathogenesis of pregnancy loss. METHODS: The expression of FABP4 and uterine receptive factor (LIF, Integrin-β3 and Claudin 4) was determined by Western blotting or quantitative PCR. FABP4 siRNA was used to silence FABP4 while FABP4 inhibitor was used to inhibit the function of FABP4 in endometrial epithelial cell...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28195074/induction-of-autophagy-in-the-porcine-corpus-luteum-of-pregnancy-following-anti-androgen-treatment
#8
M Grzesiak, K Knapczyk-Stwora, M Slomczynska
Experimentally induced androgen deficiency during late pregnancy leads to decreased progesterone synthesis in the porcine corpus luteum (CL), which suggested an onset of functional luteolysis. It was shown that luteal regression in mammals involves not only apoptosis but also autophagy. Therefore, this study aimed to examine whether anti-androgen flutamide treatment during late pregnancy in pigs induces apoptosis and/or autophagy within luteal cells. Flutamide (50 mg/kg b.w.) was administered into pregnant gilts between 83 - 89 (GD90F) or 101 - 107 (GD108F) gestational days (GD)...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28183999/gain-of-function-%C3%AE-catenin-in-uterine-mesenchyme-leads-to-impaired-implantation-and-decidualization
#9
Amanda Lynn Patterson, Jamieson Pirochta, Stephanie Tufano, Jose 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 formation of mesenchymal tumors and sub-fertility attributed to malformed oviducts...
February 9, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28183365/calm-merino-ewes-have-a-higher-ovulation-rate-and-more-multiple-pregnancies-than-nervous-ewes
#10
E van Lier, K W Hart, C Viñoles, B Paganoni, D Blache
In 1990, two selection lines of Merino sheep were established for low and high behavioural reactivity (calm and nervous temperament) at the University of Western Australia. Breeding records consistently showed that calm ewes weaned 10% to 19% more lambs than the nervous ewes. We hypothesise that calm ewes could have a higher ovulation rate than nervous ewes and/or calm ewes could have a lower rate of embryo mortality than nervous ewes. We tested these hypotheses by comparing the ovulation rate and the rate of embryo mortality between the calm and nervous lines before and after synchronisation and artificial insemination...
February 10, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28181320/are-foetal-ultrasonographic-and-maternal-blood-progesterone-measurements-near-parturition-reliable-predictors-of-the-time-of-birth-in-the-domestic-cat
#11
R Keiser, I M Reichler, O Balogh
In cats, accuracy of parturition day prediction by ultrasonographic measurement of foetal structures is decreasing towards the end of gestation. Foetal measurements during the last days of pregnancy are scarce. We determined foetal biparietal, abdominal and eye diameter (BPD, AD and ED, respectively) by ultrasonography as well as maternal blood progesterone (P4) within five days of delivery to predict parturition date and calculate accuracy of prediction. Foetal BPD at birth was compared with newborn kitten head diameter (HD)...
February 8, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28177362/effect-of-progesterone-on-adiponectin-system-in-the-porcine-uterus-during-early-pregnancy
#12
K Dobrzyn, N Smolinska, K Szeszko, M Kiezun, A Maleszka, E Rytelewska, T Kaminski
The aim of this study was to investigate the influence of progesterone (P4) on adiponectin system genes and protein expression in the endometrium and myometrium during early gestation. Twenty-five gilts were assigned to 1 of 5 groups ( = 5): d 10 to 11 (embryo migration), 12 to 13 (maternal recognition of pregnancy), 15 to 16 (implantation), and 27 to 28 (end of implantation) of pregnancy and d 10 to 11 of the cycle (fully active corpora lutea, corresponding to the corpora lutea activity during gestation). The endometrial and myometrial tissues were cut into 100 mg slices, treated with P4 (10, 100, 1000 nM) and incubated for 24 h...
January 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28176485/preterm-birth-prevention-in-twin-pregnancies-with-progesterone-pessary-or-cerclage-a-systematic-review-and-meta-analysis
#13
REVIEW
A Jarde, O Lutsiv, C K Park, J Barrett, J Beyene, S Saito, J M Dodd, P S Shah, J L Cook, A B Biringer, L Giglia, Z Han, K Staub, W Mundle, C Vera, L Sabatino, S K Liyanage, S D McDonald
BACKGROUND: About half of twin pregnancies deliver preterm, and it is unclear whether any intervention reduces this risk. OBJECTIVES: To assess the evidence for the effectiveness of progesterone, cerclage, and pessary in twin pregnancies. SEARCH STRATEGY: We searched Medline, EMBASE, CINAHL, Cochrane Central Register of Controlled Trials, and ISI Web of Science, without language restrictions, up to 25 January 2016. SELECTION CRITERIA: Randomised controlled trials of progesterone, cerclage, or pessary for preventing preterm birth in women with twin pregnancies, without symptoms of threatened preterm labour...
February 8, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28166969/progesterone-supplementation-in-the-early-luteal-phase-after-artificial-insemination-improves-conception-rates-in-high-producing-dairy-cows
#14
I Garcia-Ispierto, F López-Gatius
This study examines the possible effects on the reproductive performance of high-producing dairy cows of progesterone (P4) given in the early luteal phase (1.55 g of P4), from Days 3 to 5 post-artificial insemination (AI) as compared with the time of pregnancy recognition, from Days 15 to 17 post-AI. Cows in their third day post-AI were alternately assigned on a weekly rotational basis to the following groups: control, no treatment (C: n = 351), P4 treatment started 15 days after AI (P4-D15: n = 261), or P4 treatment started 3 days after AI (P4-D3: n = 203)...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28166966/influence-of-post-insemination-nutrition-on-embryonic-development-in-beef-heifers
#15
S G Kruse, G A Bridges, B J Funnell, S L Bird, S L Lake, R P Arias, O L Amundson, E L Larimore, D H Keisler, G A Perry
Previous studies have demonstrated that a decrease in nutrition immediately following AI reduces pregnancy success in beef heifers. The objective of this experiment was to determine if nutrient restriction following AI impacted early embryonic development among non-super ovulated heifers. Beef heifers in eight replications (Rep; Rep 1; n = 14, Rep 2; n = 15, Rep 3; n = 15, Rep 4; n = 14, Rep 5; n = 15, Rep 6; n = 15, Rep 7; n = 25, Rep 8; n = 25) across two locations (UMN, SDSU) were developed in a dry-lot and fed 125% NRC requirements from weaning to timed-AI (d 0)...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28166965/impact-of-a-progesterone-releasing-intravaginal-device-and-inflammatory-reaction-on-ovarian-activity-in-embryo-recipient-anestrus-mares
#16
Thalita Capalbo Milléo Polasek, Luiz Ernandes Kozicki, Victor Breno Pedrosa, Romildo Romualdo Weiss, Melina Andrea Formighieri Bertol, Carlos Eduardo Camargo, Rafaela Talini
This study aimed to correlate the inflammatory reaction (IR) caused by a progesterone-releasing intravaginal device (P4) with ovarian activity and pregnancy rate (PR) in embryo-recipient anestrus mares (to decrease the spring transitional period). 50 animals were assigned to three groups: GP4 (P4 group; n = 16), GP4OH (P4 + oxytetracycline hydrochloride and hydrocortisone sprayed onto the device; n = 14), and GNP4 (no intravaginal P4; n = 20). The administration protocol for GP4 was: Day 0, 750 mg P4 + ovarian examination by ultrasonography (US) + vaginal sample collection; Day 8, US; Day 11, P4 removal + 7...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28166925/-is-universal-screening-for-cervical-length-among-singleton-pregnancies-with-no-history-of-preterm-birth-justified
#17
P Rozenberg
The ultrasonographic measurement of cervical length with a cutoff of 15mm is currently the best method to identify a group of asymptomatic women in the general population at risk of spontaneous preterm birth, especially among asymptomatic patients with a singleton pregnancy with no history of preterm birth. Cerclage and 17 alpha-hydroxyprogesterone caproate (17OHP-C) are ineffective to reduce the risk of preterm birth among asymptomatic patients with a short cervix in midtrimester. However, vaginal progesterone (200-mg capsules of micronized progesterone or gel containing 90mg progesterone) has been demonstrated effective in 2 large randomized trials to reduce the risk of preterm birth and possibly the composite morbidity and perinatal mortality associated among asymptomatic women with a short cervix in the general population screened by ultrasound of the cervix in midtrimester...
December 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/28162937/effect-of-progesterone-elevation-in-follicular-phase-of-ivf-cycles-on-the-endometrial-receptivity
#18
REVIEW
B Lawrenz, H M Fatemi
The premature rise of progesterone during the late follicular phase in stimulated IVF cycles is a frequent event, and emerging evidence shows that premature progesterone rise does negatively affect the outcome of assisted reproductive techniques. The effect of elevated peripheral progesterone levels in the late follicular phase seems to be on the endometrium and the window of implantation, which may lead to asynchrony between the endometrium and the developing embryo. In stimulated cycles, endometrial maturation is advanced on the day of oocyte retrieval, and patients with a progesterone level above 1...
January 24, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28157643/ratios-of-biochemical-markers-in-peritoneal-fluid-to-those-in-venous-blood-for-the-diagnosis-of-ruptured-tubal-pregnancy-a-prospective-study
#19
Xiao-Lu Zhu, Zhuo-Wei Xue, Yan-Li Xu, Juan Wang, Zhi-Hong Ai, Yin-Cheng Teng
OBJECTIVES: Ectopic pregnancies are among the leading causes of maternal morbidity and mortality in both developed and emerging nations, but tests for early, accurate, and convenient detection are lacking. STUDY DESIGN: Between January 2013 and February 2015, 504 women with tubal pregnancy were prospectively recruited, and their clinical characteristics were recorded. Samples of peritoneal fluid were collected by culdocentesis, and venous blood was drawn from the antecubital vein...
January 18, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28147379/decidualization-mediated-by-steroid-hormones-modulates-the-innate-immunity-in-response-to-group-b-streptococcal-infection-in-vitro
#20
Violeta Castro-Leyva, Veronica Zaga-Clavellina, Aurora Espejel-Nuñez, Rodrigo Vega-Sanchez, Arturo Flores-Pliego, Enrique Reyes-Muñoz, Silvia Giono-Cerezo, Sonia Nava-Salazar, Salvador Espino Y Sosa, Guadalupe Estrada-Gutierrez
BACKGROUND: Decidual cells play a role in the modulation of the innate immune response to protect pregnancy against infection. Steroid hormones regulate the innate immune response in different tissues, and they are involved in several biological processes like decidualization. The aim of this study was to assess if steroid hormones modulate the innate immunity in endometrial stromal cells (ESCs) and decidual stromal cells (DSCs) in response to group B streptococcus (GBS) infection in vitro...
February 2, 2017: Gynecologic and Obstetric Investigation
keyword
keyword
113274
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"