pregnancy

pregnancy

pregnancy

Prenatal exposure to a mixture of endocrine disruptors is associated with poorer metabolic health in childhood

A study conducted in Spain and five other European countries shows that exposure to mixtures of endocrine disruptors during pregnancy is associated with metabolic health problems in children. The research, published in JAMA Network Open, followed more than 1,100 mother-child pairs between 2003 and 2016 and found a correlation between measures of metabolic dysfunction in children aged 6-11 years, and their prenatal exposure to chemicals such as metals or organochlorine pesticides, among others. According to the authors, these results could be related to the current increase in metabolic syndrome across the lifespan, which results in an increased risk of cardiovascular disease and type 2 diabetes. 

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Reaction: Pregnancy is associated with an increase in biological age

Un estudio analizó la edad biológica de más de 1.700 participantes utilizando seis relojes epigenéticos diferentes. Los resultados mostraban que cada embarazo individual reportado por una mujer se correlacionaba con un envejecimiento biológico adicional de dos a tres meses. Estos efectos persistían incluso cuando se tenían en cuenta el estatus socioeconómico, el tabaquismo, la variación genética y la urbanidad del entorno de los participantes. El estudio se publica en PNAS

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Reaction: Vaccination against RSV in pregnant women protects their babies, but increases the risk of preterm birth, according to a phase III clinical trial

The NEJM publishes the results of a phase III clinical trial conducted by GSK that had to be suspended due to a safety signal. The study shows that newborns of vaccinated mothers had a lower risk of experiencing severe events associated with the respiratory syncytial virus (RSV), but also a higher risk of being born prematurely.

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Reaction: study suggests that pregnant women who follow vegan diets are at increased risk for preeclampsia and low birth weight babies

Women who follow vegan diets during pregnancy may have an increased risk of developing preeclampsia and giving birth to underweight newborns, suggests an observational study published in Acta Obstetricia et Gynecologica Scandinavica. In the investigation, more than 65,000 women identified themselves as omnivores, more than 800 as vegetarians -in some of their different modalities- and 18 as vegans.

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Reactions: language babies hear in the womb shapes their brains

Babies' brains specialise in their native language from pregnancy, according to a study carried out in France. The research team used encephalograms to measure the brain activity of 33 infants born to French-speaking mothers while listening to a story in French, English or Spanish. The results provide "the most compelling evidence to date that language experience already shapes the functional organization of the infant brain, even before birth," the authors write in Science Advances.

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Reactions: study links emulsifier consumption by pregnant mice to health problems in offspring

A study in mice found "mild metabolic and neuropsychological malprogramming" in the offspring of females who, during gestation and lactation, had ingested emulsifiers, substances used to improve the texture of ultra-processed foods. The article, led by a team from IDIBAPS in Barcelona and published in PLoS Biology, states that the consumption during these periods of carboxymethylcellulose and polysorbate 80 - two common emulsifiers - diluted in water was associated with metabolic and cognitive deficits in the mouse offspring.

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Reaction: EMA recommends approval of first vaccine in pregnancy to protect infants against RSV in the first six months of life

The European Medicines Agency (EMA) has recommended marketing authorisation in the European Union for Abrysvo vaccine to protect against respiratory syncytial virus (RSV) disease in infants up to six months of age. It is the first vaccine of its kind indicated for passive immunisation of newborns through administration to the mother during pregnancy. It is also indicated for people over 60 years of age. The European Commission now has to decide on its EU-wide marketing authorisation.

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