Tata from University of Nottingham in the UK and colleagues used data from more than 280,000 pregnancies to compare the risks of obstetric complications and adverse pregnancy outcomes in women with asthma and those without asthma. Asthma did not significantly increase the risk of high blood pressure, diabetes, thyroid disorders, the need for assisted delivery, placental separation from the uterine wall (placental abruption), placenta blocks the opening to the birth canal (placental previa), pre-eclampsia (a condition affecting multiple body systems characterized by high blood pressure and kidney failure), or eclampsia (progression of pre-eclampsia to a life-threatening severity). However, when compared with women without asthma, women with asthma did have a 20-percent increased risk of hemorrhaging during delivery, a 38-percent risk of hemorrhaging after delivery, a 6-percent risk of anemia, and a 57-percent increase risk of depression. Women with more severe asthma and a history of asthma exacerbations had an increased risk of miscarriage and depression, the researchers note, but increased risk of hemorrhage after delivery was restricted to women with milder asthma and no exacerbations. read more
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