Hormone profiles and treatments in the late pregnant mare.
Abstract: Evaluation of hormone profiles in late pregnancy is one of the major determinants of fetoplacental compromise in equine clinical practice. Use of hormone therapies is subjective and reflects, to a large extent, our lack of understanding about the endocrine relations between the mare, placenta, and fetus. This article describes the normal endocrine events in late gestation, the abnormal hormone patterns associated with fetoplacental dysfunction, and the hormone interventions that are currently used or could be used to improve pregnancy outcome.
Publication Date: 2006-11-30 PubMed ID: 17129800DOI: 10.1016/j.cveq.2006.08.004Google Scholar: Lookup
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- Journal Article
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- Non-U.S. Gov't
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Summary
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This research article investigates the role and impact of hormone profiles in late pregnancy mares. The study addresses the standard and abnormal endocrine events during late gestation, the relationship between these hormone patterns and fetoplacental dysfunction, and the use and potential of hormone treatments to enhance pregnancy outcomes.
Hormones during Late Pregnancy
- The paper first presents a detailed overview of the normal endocrine events that occur in mares during late gestation. This is essential to understand the standard progression of pregnancy and the pivotal role hormones play in supporting the growth and development of the fetus and the mare’s readiness for birth.
Hormones and FetoPlacental Dysfunction
- The research then delves into the investigation of abnormal hormone patterns linked to fetoplacental dysfunction. The authors examine the disturbances in hormonal balance and how these irregularities can lead to complications in the fetoplacental system such as insufficient nutritional supply to the fetus, placental insufficiency, and premature labor.
Hormone Treatments
- The paper further explores the current utilization of hormone therapies to address these dysfunctions. The effectiveness of these treatments, however, is discussed as being subjective, reflecting the limited understanding of the complex endocrine relationships between the mare, placenta, and fetus.
- Despite these limitations, the authors underscore the potential for hormone interventions. The paper investigates the potential of improving pregnancy outcomes through hormone treatments based on a more profound understanding of hormonal interactions. This is aimed at not only managing abnormal situations but also enhancing healthy pregnancies.
Conclusion
- This study serves to emphasize the significance of understanding the hormone profiles in late pregnancy. It underscores the need for further research to elucidate the complex endocrine interdependencies between the mare, placenta, and fetus to optimize hormone interventions for improving equine pregnancy outcomes.
Cite This Article
APA
Ousey JC.
(2006).
Hormone profiles and treatments in the late pregnant mare.
Vet Clin North Am Equine Pract, 22(3), 727-747.
https://doi.org/10.1016/j.cveq.2006.08.004 Publication
Researcher Affiliations
- The Equine Fertility Unit, Department of Veterinary Medicine, University of Cambridge, Mertoun Paddocks, Woodditton Road, Newmarket, Suffolk, CB8 9BH United Kingdom. efu@tesco.net
MeSH Terms
- Animals
- Estrogens / physiology
- Female
- Fetus / physiology
- Glucocorticoids / therapeutic use
- Hormones / physiology
- Hormones / therapeutic use
- Horses / physiology
- Hydrocortisone / physiology
- Oxytocin / physiology
- Parturition / physiology
- Placenta / physiology
- Pregnancy
- Pregnancy Complications / physiopathology
- Pregnancy, Animal / blood
- Premature Birth / veterinary
- Progesterone / therapeutic use
- Progestins / physiology
- Prostaglandin Antagonists / therapeutic use
- Prostaglandins / agonists
- Prostaglandins / physiology
- Relaxin / physiology
Citations
This article has been cited 5 times.- Maśko M, Zdrojkowski Ł, Wierzbicka M, Domino M. Association between the Area of the Highest Flank Temperature and Concentrations of Reproductive Hormones during Pregnancy in Polish Konik Horses-A Preliminary Study.. Animals (Basel) 2021 May 23;11(6).
- Swink JM, Rings LM, Snyder HA, McAuley RC, Burns TA, Dembek KA, Gilsenan WF, Browne N, Toribio RE. Dynamics of androgens in healthy and hospitalized newborn foals.. J Vet Intern Med 2021 Jan;35(1):538-549.
- Rapacz-Leonard A, Leonard M, Chmielewska-Krzesińska M, Siemieniuch M, Janowski TE. The oxytocin-prostaglandins pathways in the horse (Equus caballus) placenta during pregnancy, physiological parturition, and parturition with fetal membrane retention.. Sci Rep 2020 Feb 7;10(1):2089.
- Murase H, Niwa H, Katayama Y, Sato F, Hada T, Nambo Y. A clinical case of equine fungal placentitis with reference to hormone profiles and ultrasonography.. J Equine Sci 2015;26(4):129-33.
- Canisso IF, Pinn TL, Gerdin JA, Ollivett TL, Buckles EL, Schweizer CM, Ainsworth DM. B-cell multicentric lymphoma as a probable cause of abortion in a Quarter horse broodmare.. Can Vet J 2013 Mar;54(3):288-91.
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