Season of Conception, Smoking, and Preeclampsia in Norway

Season of Conception, Smoking, and Preeclampsia in Norway

BACKGROUND Preeclampsia (PE) is a dangerous and unpredictable pregnancy complication. A seasonal pattern of risk would suggest that there are potentially preventable environmental contributors, but prior analyses have not adjusted for confounding by PE risk factors that are associated with season of conception. METHODS Seasonal effects were modeled and tested by representing each day of the y...

Effect of season of lambing and suckling on ovarian activity and postpartum conception

Risk of Preeclampsia in Paternal Smoking in Three Months before until Time of Conception: a Cohort Study

Preeclampsia which happens in 5-10% of pregnancies is associated with maternal and prenatal morbidity and mortality in all over the world. Preeclampsia leads to high rates of preterm birth, small for gestational age infant. The objective of the present study was to evaluate the effects of paternal cigarette smoking before and in conception on risk of preeclampsia in non smoker women without exp...

New conception for the development of hypertension in preeclampsia

Placental vascular dysfunction was suggested to be critical for placental ischemia-initiated hypertension in preeclampsia, although the contributions of endothelium involved are unclear. The present study found, unlike non-placental vessels, acetylcholine showed no vasodilatation effect on placental vessels, indicating that endothelial-derived nitric oxide (NO) was extremely weak in placental v...

Musculoskeletal pain and smoking in Norway.

OBJECTIVE To examine the association between musculoskeletal pain and smoking. DESIGN Cross sectional, national interview survey. SETTING All individuals in a representative sample of households in Norway in 1985. SUBJECTS A total of 6681 persons aged 16 to 66 years old. people in institutions were not included. OUTCOME MEASURES Gender specific and age specific prevalence rates for pain...