147 resultados para SINGLETON PREGNANCIES
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Histomorphometric data were obtained from cats uterine horns: either nulliparous (n = 6), primiparous (n = 6), multiparous (n = 6) and treated with contraceptive (n = 6). The material was collected after surgery, fixed in paraformaldehyde and embedded in paraplast® resin to be sliced in a microtome. The obtained sections were stained with hematoxylin - eosin and measured under a light microscope: uterine wall total thickness (μm), endometrium total height, endometrial glands diameter and glandular epithelia height, total myometrium, internal and external myometrium and vascular layer thickness. It was concluded that: 1 - contraceptive use and number of pregnancies altered the uterine structure, 2 - one pregnancy does not appear to affect the uterine lining structures as occurs in multiparous cats, 3 – there was no variation on the evaluated structures between nulliparous and primiparous cats except for inner myometrium, 4 - the total myometrium hight and the endometrium hight showed similar variations except for the contraceptive treated cats group, 5 - the outer myometrium showed marked changes in the treated cats, 6 – the less marked morphological variations were for the endometrial glands diameter and glandular epithelium hight, 7 - the presence of dilated endometrial glands was found only in treated cats.
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Prematurity and low birth weight are public health problems. This paper aims to relate the occurrence of premature labors and low birth weight with adolescent pregnancy. We performed a literature review about the socioeconomic and cultural conditions of adolescent pregnancy and perinatal results. Through bibliographical data, we identified observational and systematic review articles that deal with the subject. The literature analysis permits us to conclude that adolescent pregnancies as well as the socioeconomic and cultural environment in which the young mother is inserted are associated with the increased frequency of prematures and low birth weight babies. The development and the implementation of effective public policies directed to that population are necessary to a better approach of the problem.
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Alterations in maternal metabolism are important in order to supply the demands of the fetus. However, pregnant women with some degree of insulin resistance, such as in cases of overweight/obesity, central obesity and polycystic ovaries syndrome, associated to the action of anti-insulin placental hormones, contribute to a case of hyperglycemia of varied intensity, characterizing gestational diabetes mellitus (GDM) and leading to adverse effects both maternal and fetal. At the absence of a universal consensus to the tracking and diagnosis of GDM, this review had the purpose of listing the various protocols that have been proposed, as well as highlighting the risk factors associated with GDM and its complications. The most recent protocol is the one from the American Diabetes Association, with changes that would be justified by the alarming raise in worldwide obesity and, consequently, the potential increase to the occurrence of type 2 diabetes mellitus, not always diagnosed before the gestational period. The intention of this protocol is to identify the gestating women that could benefit from hyperglycemia control, improving the prognostic of these pregnancies and preventing future complications for mothers and their children.
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Pregnancy toxemia is a multisystemic disease, which occurs mainly at the end of pregnancy, characterized by clinical manifestations such as hypertension, edema and proteinuria. It is the most commonly occurred medical complication in pregnancies and the main cause for perinatal and maternal morbimortalities. The purpose of this article is to review the main aspects concerning the use of antihypertensive agents during pregnancy and puerperium. The data has been collected from Pubmed and Bireme, from 2006 to 2010 using the words “anti-hipertensivo e gravidez” and “antihypertensive and pregnancy”. The knowledge regarding hypertension during pregnancy and its therapy is evolving; the search for medication that could protect the mother from acute dangers and to ensure a healthy newborn must be the focus. Evidence is still lacking regarding the best therapy, beginning period, duration and results. In spite of the pharmacological advances, there are still no drugs completely exempt of compromises to the mother and the conceptus.
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Intrauterine growth restriction (IUGR) happens when the fetus does not reach the expected size or determined by its genetic potential. It is clinically identified when the fetal weight is below the 10th percentile for the gestational age. This definition is frequently used in the literature. Fetal growth restriction is a common clinical problem that is associated with the increase in perinatal morbidity and mortality, and is reported in 7 to 15% of pregnancies. The objective of this review is to describe the factors involved in the etiology of intrauterine growth restriction, by using the bibliographic review of the literature on the databases of Medline, Pubmed, Scielo, and also books, with emphasis on the past 10 years The analysis of the consulted materials shows that there are many factors associated with this condition, including maternal, placental and fetal factors. It´s important to highlight that these different factors can act concomitantly, some of them are predictable, and many of them are intimately related with the socioeconomic and cultural status of the population. Thus, the causes and incidence of IUGR vary according to the study population.
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Pós-graduação em Engenharia Elétrica - FEIS
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Pós-graduação em Ciência e Tecnologia Animal - FEIS
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)