Food-borne bacteria up miscarriage risk early in pregnancy

February 22, 2017

Feb 22: Listeria, a common food-borne bacterium, may pose a greater risk of miscarriage in the early stages of pregnancy than previously thought, says a study.

pregnancy“For many years, listeria has been associated with adverse outcomes in pregnancy, but particularly at the end of pregnancy,” said one of the researchers Ted Golos, Professor at University of Wisconsin-Madison in the US.

“What wasn’t known with much clarity before this study is that it appears it’s a severe risk factor in early pregnancy,” Golos said.

Pregnant women are warned to avoid many of the foods -- among them unpasteurised milk and soft cheese, raw sprouts, melon and deli meats not carefully handled -- that can harbour listeria, because the bacterium is known to cause miscarriage and still-birth, and spur premature labour.

But when it occurs, listeria infection in pregnancy may go unnoticed.

For the study, four pregnant rhesus macaques at the Wisconsin National Primate Research Centre were fed doses of the listeria comparable to what one might encounter in contaminated food.

None of the monkeys showed obvious signs of infection before their pregnancies came to abrupt ends, according to the results published in the journal mBio.

But in tissue samples taken after each monkey experienced intrauterine fetal death, the researchers found that listeria had invaded the placenta -- the connection between the mother-to-be and the foetus, which usually prevents transmission of bacteria -- as well as the endometrium, the lining of the uterus.

The researchers believe the inflammation caused by the maternal immune response to the fast-moving listeria also affects the placenta, keeping it from protecting the foetus.

The results suggest listeria (and perhaps other pathogens) may be the culprit in some miscarriages that usually go without diagnosed cause.

“There are effective antibiotics available. It is treatable,” said lead author of the study Bryce Wolfe, a graduate student at University of Wisconsin-Madison.

“The issue is that because it’s asymptomatic, the foetus may be infected by the time anyone realises the mother was infected,” Wolfe explained.

Comments

Wellspringivfs…
 - 
Thursday, 8 Feb 2018

Great post. Pregnant women are warned to avoid some foods such as unpasteurized milk, raw meat, and sprouts etc. because that may harbor listeria which may cause pregnancy complications such as miscarriage and stillbirth. http://www.wellspringivfsurrogacy.com/

Leesa
 - 
Thursday, 4 Jan 2018

Nice article. Listeria, a common food-borne bacterium increases the risk of miscarriage in early stages of pregnancy. It is important to follow the food safety measures. Listeria infection in pregnancy often goes unnoticed because of lack of awareness.  Expecting mothers should strictly avoid the food intake which contains listeria, as it may lead to miscarriage. To know more about pregnancy visit http://www.progenesisivf.com/

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Agencies
March 11,2020

With the sales of chicken and mutton going down due to the coronavirus scare, it is the humble 'Kathal' (jackfruit) is emerging as an acceptable alternative.

'Kathal' is now selling at ₹120 per kilogram -- an increase of more than 120 per cent over the normal ₹50 per kilogram.

The jackfruit, in fact, is now priced higher than chicken which is selling at ₹80 per kilogram due to poor demand.

"It is better having a 'Kathal' biryani instead of a mutton biryani. It tastes reasonably good. The only problem is that 'Kathal' has been sold out in the vegetable market and is difficult to find," said Purnima Srivastava whose family savours non-vegetarian food on a regular basis.

The corona scare has hit poultry business so hard and the Poultry Farm Association recently organized a Chicken Mela in Gorakhpur to dispel the misconception that birds are carriers of the deadly virus.

"In fact, we gave away plateful of chicken dishes for Rs 30 to encourage people to savour the delicacies. We cooked one thousand kilograms of chicken for the Mela and the entire stock was sold out," said Vineet Singh, head of the Poultry Farm Association.

However, the Mela did not do much to dispel the fears about chicken, mutton or fish consumption amid the virus outbreak.

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Agencies
May 6,2020

Washington D.C., May 5: Working from home has become the new normal ever since the outbreak of coronavirus and in today's time the work duties can be easily dealt with by means of mobile devices at home.

However, this easy use of technology, mobile devices for that matter, has the potential to blur the fine line between work and the other daily life routines.

But, contrary to the belief, a study at the University of Jyvaskyla reveals that the mixing of work and other daily life routines may have more benefits than previously assumed, and points to the importance of boundary-spanning communication.

A smartphone enables phone calls, email, and file transfers from the comfort of home. The study shows that there may be more effective ways to maximise the benefits of smartphone use, without diminishing employees' flexibility and the use of these technologies.

"People often forget to talk about positive effects, such as autonomy and freedom the employees gain when they have the flexibility to schedule their work," said Postdoctoral Researcher Ward van Zoonen from JYU, who with his colleagues examined the use of smartphones for work matters outside working hours.

The study paid special attention to the benefits of talking about domestic matters with the immediate supervisor outside the working hours given to an employee.

"This reduces the conflict between work and other life," van Zoonen said.

"If people in an organisation strive for more dialogue between employees' different life domains, it is possible to create a functional environment where people can talk about different matters."

The research findings show that when employees communicate across boundaries and talk at work about their life in other respects, they can receive new kinds of support and understanding from their immediate supervisor.

"This kind of communication creates a low threshold for contacting one's supervisor, which helps employees build a balance between the different domains of their lives and strengthens their organisational identification," said Professor Anu Sivunen describing the findings.

This means that tight working time restrictions to protect employees might not be beneficial after all, if they hinder reaching the positive results indicated in this research.

For the study, a survey was taken of 367 employees who were asked questions such as -- how much they talk about their work with their family, and how much they talk about their family with their immediate supervisor.

"Both supervisors and their employees answered the surveys, and the study actually focused on their mutual communication," Sivunen said.

"Usually people at workplaces are interested in how communication within the work community is succeeding. It is often forgotten how an immediate supervisor can take an employer's other life into account and thereby help the employee gain work-related benefits."

"Communication with one's immediate supervisor during flexible working hours, also on matters other than work, could ease the daily lives of many employees if they could share the possible challenges of their family life or free time with their supervisor in these settings," Sivunen added.

According to the study, such a practice could make the supervisor aware of the employee's situation as he/she works from home and the related impacts on their work performances.

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Agencies
May 26,2020

Tedros Adhanom Ghebreyesus, the World Health Organisation's (WHO) Director-General, said that a clinical trial of hydroxychloroquine (HCQ) on COVID-19 patients has come to "a temporary pause", while the safety data of the the anti-malaria drug was being reviewed.

According to the WHO chief, The Lancet medical journal on May 22 had published an observational study on HCQ and chloroquine and its effects on COVID-19 patients that have been hospitalized, reports Xinhua news agency.

The authors of the study reported that among patients receiving the drug, when used alone or with a macrolide, they estimated a higher mortality rate.

"The Executive Group of the Solidarity Trial, representing 10 of the participating countries, met on Saturday (May 23) and has agreed to review a comprehensive analysis and critical appraisal of all evidence available globally," Tedros said in a virtual press conference on Monday.

The review will consider data collected so far in the Solidarity Trial and in particular robust randomized available data, to adequately evaluate the potential benefits and harms from this drug, he said.

"The Executive Group has implemented a temporary pause of the HCQ arm within the Solidarity Trial while the safety data is reviewed by the Data Safety Monitoring Board. The other arms of the trial are continuing," Tedros added.

WHO initiated the Solidarity Trial, a plan to evaluate the safety and efficacy of four drugs and drug combinations against COVID-19 more than two months ago, which include HCQ.

According to the WHO, over 400 hospitals in 35 countries are actively recruiting patients and nearly 3,500 patients have been enrolled from 17 countries under the Solidarity Trial.

Tedros added that the safety concern over the drug related only to the use of HCQ and chloroquine in COVID-19, and "these drugs are accepted as generally safe for use in patients with autoimmune diseases or malaria".

"WHO will provide further updates as we know more," he added.

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