نتایج جستجو برای: preterm delivery

تعداد نتایج: 233376  

Background: Late preterm neonates may have the external appearance and behavior similar to their counterparts.However, they are susceptible to various neonatal morbidities , due to their physiological and metabolical immaturity.To assess the correlation between cord blood arterial lactate levels and base excess with the development ofrespiratory distress in late preterm neonat...

2013
Zahra Sehat Azita Goshetasbi Mehdi Taheri Amin

BACKGROUND Considering the effect of preterm delivery in morbidity and mortality of newborns, its precaution and prevention is so important. OBJECTIVE To investigate the association between second trimester maternal serum biomarkers (Human Chorionic Gonadotropin, Alpha-fetoprotein, Non-conjugated estrogen, Inhibin A) and pre-term delivery. MATERIALS AND METHODS This is a historical cohort s...

2014
Jia Xu Emma Barinas-Mitchell Lewis H. Kuller Ada O. Youk Janet M. Catov

Studies have suggested an increase in maternal morbidity and mortality due to cardiovascular diseases in women with a prior low-birth-weight (LBW, <2,500 grams) delivery. This study evaluated blood pressure and hypertension in women who reported a prior preterm or small-for-gestational-age (SGA) LBW delivery in the National Health and Nutrition Examination Survey 1999-2006 (n = 6,307). This stu...

Journal: :American journal of epidemiology 2009
R Kelly C Holzman P Senagore J Wang Y Tian M H Rahbar H Chung

The authors examined the associations between placental vascular findings and preterm delivery in 1,053 subcohort women (239 preterm, 814 term) from a Michigan pregnancy cohort study (1998-2004). Twenty-nine placental vascular variables from microscopic examinations were grouped into 5 constructs: 3 maternal constructs-obstructive lesions (MV-O), bleeding/vessel integrity (MV-I), and lack of ph...

Journal: :Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC 2007
Anne-Maude Morency Emmanuel Bujold

OBJECTIVE As many as 50% of spontaneous preterm births are infection-related, with Mycoplasma species being the most common microbial isolates from the amniotic cavity. The goal of our study was to evaluate the effect of macrolides, a specific group of antibiotics known to be effective against Mycoplasma species, on the rate of preterm births. METHODS We performed a systematic review of the l...

2018
Mahsa Nordqvist Bo Jacobsson Anne-Lise Brantsæter Ronny Myhre Staffan Nilsson Verena Sengpiel

OBJECTIVES To investigate whether the timing of probiotic milk intake before, during early or late pregnancy influences associations with preeclampsia and preterm delivery. DESIGN Population based prospective cohort study. SETTING Norway, between 1999 and 2008. PARTICIPANTS 70 149 singleton pregnancies resulting in live-born babies from the Norwegian Mother and Child Cohort Study (no chro...

2016
Sizzle F. Vanterpool Jasper V. Been Michiel L. Houben Peter G. J. Nikkels Ronald R. De Krijger Luc J. I. Zimmermann Boris W. Kramer Ann Progulske-Fox Leticia Reyes Motohiro Komaki

Intrauterine presence of Porphyromonas gingivalis (Pg), a common oral pathobiont, is implicated in preterm birth. Our aim was to determine if the location of Pg within placental and/or umbilical cord sections was associated with a specific delivery diagnosis at preterm delivery (histologic chorioamnionitis, chorioamnionitis with funisitis, preeclampsia, and preeclampsia with HELLP-syndrome, sma...

Journal: :Journal of perinatal medicine 2015
Edgar Hernandez-Andrade Maynor Garcia Hyunyoung Ahn Steven J Korzeniewski Homam Saker Lami Yeo Tinnakorn Chaiworapongsa Sonia S Hassan Roberto Romero

AIM To evaluate the association between cervical strain assessed with quasi-static elastography and spontaneous preterm delivery. METHODS Quasi-static elastography was used to estimate cervical strain in 545 pregnant women with singleton pregnancies from 11 weeks to 28 weeks of gestation. Cervical strain was evaluated in one sagittal plane and in the cross-sectional planes of the internal cer...

حقیقی, لادن, مشایخی, مهری, اکبریان, عبدالرسول ,

The role of Nitric oxide in myometrial function is known and Nitric oxide donors are used for prevention of preterm delivery during recent years. This research was conducted as RCT during 14 months in Shahid Akbar Abadi Hospital. 150 pregnant women with live and singletone pregnancies in the 34-37th week of gestation and with preterm uterine contractions were randomly divided into two...

نریمانی, محمد , علیزاده, لیلا , مهربان, زهرا ,

  Background & Aims : Prenatal mental health has been shown to be associated with adverse consequences for the mother and the child. Some studies have suggested that stress is associated with several adverse pregnancy outcomes particularly pre-term labor. The aim of this study is to determine the relationship between pregnancy-related anxiety and spontaneous preterm birth.   Materials & Methods...

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