نتایج جستجو برای: pregnancy trimester
تعداد نتایج: 146621 فیلتر نتایج به سال:
OBJECTIVE To determine the main dietary patterns of pregnant women during each of the three trimesters of pregnancy and to examine associated nutrient intakes. DESIGN Participants completed a 3 d food diary during each trimester of pregnancy. Thirty-six food groups were created and dietary patterns were derived using k-means cluster analysis. SETTING National Maternity Hospital, Dublin, Ire...
OBJECTIVE To evaluate the association of first-trimester bleeding without miscarriage and complications later in the first pregnancy as well as in the next pregnancy. METHODS In a retrospective, registry-based cohort study, we identified women delivering in Denmark from 1978 to 2007 with a first singleton pregnancy (n=782,287) and first and second singleton pregnancies (n=536,419). First-trim...
Vaginal bleeding is the most common cause of presentation to the emergency department in the first trimester. Approximately half of patients with first trimester vaginal bleeding will lose the pregnancy. Clinical assessment is difficult, and sonography is necessary to determine if a normal fetus is present and alive and to exclude other causes of bleeding (eg, ectopic or molar pregnancy). Diagn...
Background: The aim of this study was to investigate the psychological state of women and its associated factors in the third trimester of pregnancy and at eight weeks postpartum and to explore the changes in psychological state between these two time points. Material and Methods: This survey study was carried out on 358 pregnant women visiting urban health centers in Shahroud, northeast Iran, ...
BACKGROUND Since 1998, Italian law requires serological screening for toxoplasmosis by the thirteenth week of pregnancy, and seronegative women should undergo further checks every 30 - 40 days until delivery (a total of 5 - 7 screenings). This is an improvement of the previous law which foresaw three free tests (one by the end of the third month, one in the fifth, and one in the ninth month of ...
OBJECTIVE To establish trimester specific reference intervals for thyroid hormones during pregnancy in Malaysian women. STUDY DESIGN Cross-sectional observational study performed in the Obstetric Clinic, University Malaya Medical Centre. A single blood sample from 626 women at various trimesters of pregnancy was analyzed for thyroid function. TSH, FT4, TT4, FT3 and TT3 values at each trimeste...
PURPOSE To study systemic and retinal circulatory variables and vasoactive hormones during pregnancy in women with and without diabetes. METHODS Prospective study of 45 women with type 1 diabetes and 6 healthy pregnant women, from the first trimester of pregnancy to half a year after delivery, by using a fundus photographic method of determining retinal vessel diameters. RESULTS In diabetic...
RATIONALE Symptoms of sleep-disordered breathing (SDB) are common among pregnant women, and several studies link SDB symptoms with gestational hypertension and preeclampsia. However, few prospective studies objectively measuring SDB during pregnancy have been performed. OBJECTIVES We performed a prospective cohort study examining risk factors for third trimester SDB in pregnant women. MEASU...
BACKGROUND First trimester Pregnancy Associated Plasma Protein A (PAPP-A) levels, routinely measured for aneuploidy screening, may predict development of preeclampsia. This study tests the hypothesis that first trimester PAPP-A levels correlate with soluble fms-like tyrosine kinase-1 (sFlt-1) levels, an angiogenic marker associated with preeclampsia, throughout pregnancy. METHODS sFlt-1 level...
background: iron deficiency anemia (ida) during pregnancy is a common nutritional disorder with adverse effects for the baby, such as premature birth and low birth weight, and the mother, such as cardiovascular symptoms and reduced physical and mental strength. therefore, identifying factors affective on ida will assist the improvement of the health of the mother and fetus. this study aimed to ...
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