نتایج جستجو برای: first and second trimester screening

تعداد نتایج: 17012020  

Background: To determine the association between pre-conception obesity and screening results of pre-natal and post-natal anxiety in women referred to the health centers of Tabriz, Iran. Methods: 62 obese (class 2-3) and 245 normal-weight women were enrolled in the first trimester of pregnancy through the cohort study and followed up 1 year after childbirth from December 2012 to January 2016. ...

Journal: :Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009
Joseph R Wax Michael G Pinette Angelina Cartin Jacquelyn Blackstone

OBJECTIVE The purpose of this study was to evaluate the trisomy 21 screening performance of the first-trimester combined test followed by second-trimester genetic sonography. METHODS This retrospective cohort study included all women with singleton pregnancies undergoing combined screening followed by genetic sonography at 17 to 21 weeks from January 1, 2005, to January 31, 2008. Combined tes...

Arjmandi Far M

Background: Iron deficiency anemia is a major nutritional problem throughout the world. The incidence of anemia is especially high during pregnancy and lactation due to an increase in the need for iron. This study aimed to investigate the prevalence of anemia in the first and second trimester of pregnancy and determine of demographic and laboratory factors that can effect on prevalence of anemi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1391

the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...

Journal: :Clinica chimica acta; international journal of clinical chemistry 2002
Peter A Benn

BACKGROUND The acceptability of prenatal screening and diagnosis of Down syndrome is dependent, in part, on the gestational age at which the testing is offered. First trimester screening could be advantageous if it has sufficient efficacy and can be effectively delivered. ISSUES Two first trimester maternal serum screening markers, pregnancy-associated plasma protein-A (PAPP-A) and free beta-...

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