Tuesday February 19, 2019

Exposure to Pollen During Pregnancy May up The Risk of Asthma in Kids

For the study, the team analysed cord blood collected from hundreds of babies born in Melbourne, Denmark and Germany

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Pregnant women
There’s a lot of reticence to include pregnant women in research. Pixabay

Babies born to mothers who got exposed to pollen during the last trimester may be at increased risk of developing respiratory diseases such as asthma, says a study.

The findings showed that those born during the peak grass pollen season had high immunoglobulin E (IgE) levels in umbilical cord blood — a marker used to predict the development of allergic diseases.

“We know that outdoor pollen exposure during the first couple of months after birth can lead to allergic respiratory diseases and we suspected that exposure during the later stages of pregnancy may also be important,” said lead researcher Bircan Erbas, Associate Professor from La Trobe University in Melbourne, Australia.

“Many studies have shown that babies with high levels of IgE in cord blood can go on to develop allergies later in childhood, but little is known about how these levels are affected by exposure to pollen in utero.”

However, the study published in Environment International, also showed that being pregnant for an entire grass pollen season may have a protective effect on babies.

asthama-in-kids
Asthma in kids. (IANS)

“We found these babies had lower IgE levels. This was a significant finding and indicates the possible development of a sensitisation barrier,” Erbas said.

Erbas stressed that the study did not suggest that all babies born during high pollen seasons would develop respiratory disease or other allergies.

“The study provides new insight that could help us predict and manage diseases like asthma – which are a significant public health burden.

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“However, it’s important to remember there are a number of factors that can determine who gets asthma or allergies. This is one piece of the puzzle,” she explained

For the study, the team analysed cord blood collected from hundreds of babies born in Melbourne, Denmark and Germany. (IANS)

Next Story

Study Claims, There Should Be Treatment Options Given for Miscarriage

Miscarriage is the most common complication of pregnancy and affects an estimated one in four pregnancies. 

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Miscarriage is the most common complication of pregnancy and affects an estimated one in four pregnancies. Pixabay

Though miscarriage is a traumatic experience for both parents, resulting in feelings of loss and grief that in some cases can lead to anxiety and depression, women experiencing miscarriage should be offered a choice in the treatment they receive, suggests a study.

Miscarriage is the most common complication of pregnancy and affects an estimated one in four pregnancies.

Although guidelines recommend trying to resolve an unsuccessful pregnancy naturally, the new analysis shows that this is only successful in 70 per cent of cases, and potentially comes with complications that are rarely communicated to patients.

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Some women are more keen on having a quick surgical intervention so that they can resume their lifestyle immediately, some are very keen to avoid surgery and prefer to go with a tablet, and others want to take a more natural approach,” Wattar added. Pixabay

The study from the University of Warwick and Queen Mary University of London, demonstrates little to no difference in medical effectiveness in resolving an unsuccessful pregnancy between medical and surgical options.

Thus, the team recommend the doctors to offer women a choice of treatment options for miscarriage to enable them to make an informed decision that takes account of potential uncomfortable side effects, long waiting times and extended periods of recovery.

“What we have to do is provide women with evidence about the benefits and effectiveness of each treatment option and potential side effects so that they can choose what they feel most comfortable with,” said lead author Bassel Wattar from Warwick Medical School.

“Some women are more keen on having a quick surgical intervention so that they can resume their lifestyle immediately, some are very keen to avoid surgery and prefer to go with a tablet, and others want to take a more natural approach,” Wattar added.

baby
Miscarriage is the most common complication of pregnancy and affects an estimated one in four pregnancies. Pixabay

For the results, published in the journal Human Reproduction Update, the team reviewed 46 trials involving over 9,000 women who experienced spontaneous loss of pregnancy (miscarriage) before 14 weeks gestation.
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During a miscarriage, the body will aim to resolve the unsuccessful pregnancy naturally but conservative treatment can be painful with increased bleeding, increased likelihood of hospital admission, reduced quality of treatment and reduced satisfaction.

However, surgery which include electric vacuum aspiration, and medical treatment with a tablet were found to have similar effectiveness in treating miscarriage as conservative treatment. (IANS)