Results 261 to 270 of about 200,786 (315)

Ultrasound in the First Trimester of Pregnancy

Radiologic Clinics of North America, 1990
High-resolution sonography, including transvesical and endovaginal techniques, has resulted in enhanced visualization of embryonic and extraembryonic structures. With endovaginal sonography, the gestational sac may be seen within the decidua at about 4.5 weeks menstrual age. The yolk sac is the first structure to be seen within the gestational sac, and
C S, Levi, E A, Lyons, D J, Lindsay
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LESIONS OF TOXEMIA IN FIRST TRIMESTER PREGNANCIES

Obstetrical & Gynecological Survey, 1973
Lesions of toxemia of pregnancy, comprising decidual arteriolar thickening, narrowing, degeneration, and endothelial vacuolization with trophoblastic degeneration and fibrin thrombi attached to degenerated chorionic villi, were evident in 46 (14.1%) of 326 induced first trimester abortions.
P, Nadji, S C, Sommers
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Exercise in Pregnancy: First Trimester Risks

Clinical Obstetrics & Gynecology, 2016
Most national guidelines recommend moderate exercise during pregnancy, but this is not followed by the majority of pregnant women. Fear of exercise risks is among reported barriers. In contrast to most reviews focusing on late pregnancy risks, this review evaluates the association between exercise in the first trimester and the risk of miscarriage.
Hegaard, Hanne K., Ersbøll, Anne S, Damm, Peter   +2 more
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Hormonal monitoring of the first trimester of pregnancy

Obstetrics and Gynecology Clinics of North America, 2004
The hormonal changes and maternal adaptations of human pregnancy are among the most remarkable phenomena in nature. Endocrinologic parameters in the early gestation period have been used to predict abnormal pregnancies and to identify fetuses that have chromosomal aberrations.
Oral, E, Genç, MR
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Termination of first trimester pregnancy

Drug and Therapeutics Bulletin, 1998
Nearly 200,000 pregnancies were terminated in the UK in 1996.1,2 Around 90% of the terminations were performed within the first 13 weeks of pregnancy.1,2 In this article, we discuss the two approaches used to achieve termination at this stage of pregnancy: medicines and vacuum aspiration.
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Lipid peroxidation in the first trimester of pregnancy

The Journal of Maternal-Fetal & Neonatal Medicine, 2011
To determine the existence and level of oxidative stress caused by lipid peroxidation in pregnancy.The research was conducted as prospective examination that included 60 healthy women (age 18-45). The women included in the examination were divided into two groups.
Branislava, Jakovljevic, Aleksandra, Novakov-Mikic, Snezana, Brkic, Mirjana A, Bogavac, Slavica, Tomic, Vera, Miler   +5 more
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Prenatal Diagnosis in the First Trimester of Pregnancy

Obstetrical & Gynecological Survey, 2008
In the past 2 decades, the second trimester of pregnancy has been the most common time for prenatal diagnosis of fetal anomalies and chromosomal aneuploidies. More recently, screening for and diagnosis of chromosomal abnormalities are increasingly being performed in the first trimester.
Ndumbe, FM, Navti, O, Chilaka, VN, Konje, JC   +3 more
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Pregnancy (First Trimester)

1986
In the first trimester ultrasound is not yet generally accepted as a screening procedure, and in many countries used only where specific indications exist. One such indication is to monitor the outcome of therapy in infertile patients (see Chap. 15).
Mandfred Hansmann, Bernhard-Joachim Hackelöer, Alfons Staudach   +2 more
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Abdominal pain in first trimester pregnancy

The Journal of Emergency Medicine, 2003
Dr. Todd Thomsen: Today’s case is that of a 6-week pregnant 37-year-old woman with a chief complaint of severe abdominal pain. She was feeling well until the morning of admission, when she experienced the acute onset of severe lower abdominal and pelvic pain. She described the pain as sharp, constant and severe. Shortly after the onset of the pain, she
Todd, Thomsen, David F M, Brown, Eric S, Nadel   +2 more
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Pericardial effusion in the first trimester of pregnancy

Prenatal Diagnosis, 2011
Ingrid Witters1,2,6*, Derize Boshoff3, Luc De Catte4, Tinne Mesens2, Wilfried Gyselaers2, Claire Theyskens2, Els Bruneel2, Marc Gewillig5 and Jean-Pierre Fryns1 1Center for Human Genetics, Catholic University of Leuven, Leuven, Belgium 2Department of Obstetrics and Gynecology, St-Jans Hospital, Genk, Belgium 3Department of Pediatric Cardiology, St-Jans
Ingrid, Witters, Derize, Boshoff, Luc, De Catte, Tinne, Mesens, Wilfried, Gyselaers, Claire, Theyskens, Els, Bruneel, Marc, Gewillig, Jean-Pierre, Fryns   +8 more
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