scholarly journals Separate and joint effects of tranplacental and postnatal inhalatory exposure to polycyclic aromatic hydrocarbons: Prospective birth cohort study on wheezing events

2013 ◽  
Vol 49 (2) ◽  
pp. 162-172 ◽  
Author(s):  
Wiesław A. Jedrychowski ◽  
Frederica P. Perera ◽  
Renata Majewska ◽  
David Camman ◽  
John D. Spengler ◽  
...  
Keyword(s):  
Cohort Study ◽  
Polycyclic Aromatic Hydrocarbons ◽  
Birth Cohort ◽  
Aromatic Hydrocarbons ◽  
Birth Cohort Study ◽  
Joint Effects ◽  
Polycyclic Aromatic ◽  
Prospective Birth Cohort ◽  
Prospective Birth Cohort Study

scholarly journals Impact of prenatal exposure to polycyclic aromatic hydrocarbons from maternal diet on birth outcomes: a birth cohort study in Korea

2016 ◽  
Vol 19 (14) ◽  
pp. 2562-2571 ◽  
Author(s):  
Dirga Kumar Lamichhane ◽  
Jong-Han Leem ◽  
Hwan-Cheol Kim ◽  
Ji-Young Lee ◽  
Myung-Sook Park ◽  
...  
Keyword(s):  
Cohort Study ◽  
Polycyclic Aromatic Hydrocarbons ◽  
Birth Weight ◽  
Birth Cohort ◽  
Birth Outcomes ◽  
Aromatic Hydrocarbons ◽  
Maternal Diet ◽  
Birth Cohort Study ◽  
Consumption Level ◽  
Polycyclic Aromatic

AbstractObjectivePolycyclic aromatic hydrocarbons (PAH) are common dietary exposures that cross the human placenta and are classified as a probable human carcinogen. The aim of the present study was to investigate the potential impact of exposure to PAH-containing meat consumed during pregnancy on birth outcomes.DesignProspective birth cohort study. Only non-smoking women with singleton pregnancies, who were free from chronic disease such as diabetes and hypertension, were included in the study. Maternal consumption of PAH-rich meat was estimated through FFQ. Multiple linear regression was used to assess factors related to higher intake and the association between dietary PAH and birth outcomes.SettingRepublic of Korea, 2006–2011.SubjectsPregnant women (n 778) at 12–28 weeks of gestation enrolled in the Mothers and Children’s Environmental Health (MOCEH) study.ResultsThe multivariable regression model showed a significant reduction in birth weight associated with higher consumption level of foods rich in PAH, such as grilled or roasted meat, during pregnancy (β=−17·48 g, P<0·05 for every 1 point higher in meat score). Further adjusting for biomarkers of airborne PAH did not alter this association. There was no evidence that higher consumption level of PAH-rich meat shortens the duration of gestation (P=0·561). Regression models performed for birth length and head circumference produced negative effects that were not statistically significant.ConclusionsConsumption of higher levels of barbecued, fried, roasted and smoked meats during pregnancy was associated with reduced birth weight. Dietary risk of PAH exposure in Korean women is of concern.

scholarly journals Daycare attendance and respiratory tract infections: a prospective birth cohort study

BMJ Open ◽  
2017 ◽  
Vol 7 (9) ◽  
pp. e014635 ◽  
Author(s):  
Linnea Schuez-Havupalo ◽  
Laura Toivonen ◽  
Sinikka Karppinen ◽  
Anne Kaljonen ◽  
Ville Peltola
Keyword(s):  
Cohort Study ◽  
Respiratory Tract ◽  
Birth Cohort ◽  
Day Care ◽  
Repeated Measures ◽  
Respiratory Tract Infections ◽  
Birth Cohort Study ◽  
Tract Infections ◽  
Prospective Birth Cohort ◽  
Prospective Birth Cohort Study

ObjectiveWe explored the burden of respiratory tract infections (RTIs) in young children with regard to day-care initiation.DesignLongitudinal prospective birth cohort study.Setting and methodsWe recruited 1827 children for follow-up until the age of 24 months collecting diary data on RTIs and daycare. Children with continuous daycare type and complete data were divided into groups of centre-based daycare (n=299), family day care (FDC) (n=245) and home care (n=350). Using repeated measures variance analyses, we analysed days per month with symptoms of respiratory tract infection, antibiotic treatments and parental absence from work for a period of 6 months prior to and 9 months after the start of daycare.ResultsWe documented a significant effect of time and type of daycare, as well as a significant interaction between them for all outcome measures. There was a rise in mean days with symptoms from 3.79 (95% CI 3.04 to 4.53) during the month preceding centre-based daycare to 10.57 (95% CI 9.35 to 11.79) at 2 months after the start of centre-based daycare, with a subsequent decrease within the following 9 months. Similar patterns with a rise and decline were observed in the use of antibiotics and parental absences. The start of FDC had weaker effects. Our findings were not changed when taking into account confounding factors.ConclusionsOur study shows the rapid increase in respiratory infections after start of daycare and a relatively fast decline in the course of time with continued daycare. It is important to support families around the beginning of daycare.

scholarly journals Association between breast feeding and asthma in 6 year old children: findings of a prospective birth cohort study

BMJ ◽  
1999 ◽  
Vol 319 (7213) ◽  
pp. 815-819 ◽  
Author(s):  
W H Oddy ◽  
P G Holt ◽  
P D Sly ◽  
A W Read ◽  
L I Landau ◽  
...  
Keyword(s):  
Cohort Study ◽  
Birth Cohort ◽  
Breast Feeding ◽  
Birth Cohort Study ◽  
Prospective Birth Cohort ◽  
Prospective Birth Cohort Study

S38.4: Helicobacter pylori acquisition in infancy: first results of a prospective birth cohort study from Germany

2004 ◽  
Vol 46 (S1) ◽  
pp. 82-82
Author(s):  
Dietrich Rothenbacher ◽  
Maria Weyermann ◽  
Günter Bode ◽  
Murrat Kulaksiz ◽  
Guido Adler ◽  
...  
Keyword(s):  
Helicobacter Pylori ◽  
Cohort Study ◽  
Birth Cohort ◽  
Birth Cohort Study ◽  
First Results ◽  
Prospective Birth Cohort ◽  
Prospective Birth Cohort Study

Early Predictors of Eating Problems in Preadolescence—A Prospective Birth Cohort Study

2016 ◽  
Vol 58 (5) ◽  
pp. 533-542 ◽  
Author(s):  
Anja Munkholm ◽  
Else Marie Olsen ◽  
Charlotte Ulrikka Rask ◽  
Lars Clemmensen ◽  
Martin K. Rimvall ◽  
...  
Keyword(s):  
Cohort Study ◽  
Birth Cohort ◽  
Birth Cohort Study ◽  
Eating Problems ◽  
Early Predictors ◽  
Prospective Birth Cohort ◽  
Prospective Birth Cohort Study
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