reproductive health

reproductive health

reproductive health

Microplastics found in reproductive fluids

A research team from Murcia has found several types of microplastics in 69% of follicular fluid samples from 29 women and 55% of seminal fluid samples from 22 men, according to a presentation at the annual meeting of the European Society of Human Reproduction and Embryology (ESHRE), being held from 29 June to 2 July in Paris, France. The most frequent polymer in both types of samples was polytetrafluoroethylene (PTFE). The abstract of the research is published in the journal Human Reproduction.

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A report highlights the risks of misuse of data collected by menstrual apps

Menstrual cycle tracking apps pose risks to users, according to a report published by the Minderoo Centre for Technology and Democracy at the University of Cambridge (United Kingdom). These apps collect intimate data about their users' physical and mental health and reproductive decisions, which can be exploited for commercial or legal purposes, the report warns.

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The meningococcal B vaccine may provide partial protection against gonorrhoea

Gonorrhoea is the second most common sexually transmitted disease in the world, with 80 million cases each year. There is no effective vaccine, and the bacteria responsible are becoming resistant to common antibiotics. Some studies have suggested that the meningococcal B vaccine, a unrelated bacterium, may offer partial protection against gonorrhoea. Now, an Italian team has identified 17 antibodies that could explain this cross-immunity, which, according to the authors, could be used to develop treatments and vaccines. The results are published in the journal Science Translational Medicine.

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Babies born through assisted reproduction have increased risk of serious heart defects, study finds

The relative risk of being born with a major heart defect is 36% in babies conceived using assisted reproductive techniques, such as in vitro fertilisation, compared to newborns not using these techniques, according to a study published in the European Heart Journal. The absolute risk was 1.84% versus 1.15%. The research, which included more than seven million babies born in Denmark, Finland, Norway and Sweden, also shows that the increased risk is especially associated with multiple births, which are more common in assisted reproduction.
 

 

 

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Surrogacy carries higher risk of pregnancy and postpartum complications, Canadian study finds

Canadian research analysing more than 863,000 births over almost a decade, including 806 surrogacy deliveries, concluded that the risk of severe maternal morbidity was 7.8% in gestational carriers, more than three times the risk of conception without assisted reproductive techniques and almost twice the risk in IVF pregnancies. The three most frequent complications were severe postpartum haemorrhage, severe pre-eclampsia and puerperal sepsis. The study is published in the Annals of Internal Medicine.

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Non-invasive method assesses the quality of mouse oocytes and embryos

A new technique developed at the Institut de Bioenginyeria de Catalunya (IBEC) has succeeded in assessing the health of mouse oocytes and embryos in a non-invasive way, according to a study published in PNAS. The method generates 3D images to visualise the metabolism of oocytes and embryos obtained by in vitro fertilisation and makes it possible to select those that are most likely to implant and develop, say the authors.

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