Leading experts from several scientific disciplines find flaws in studies that suggest the existence of a “fetal microbiome.” Scientific claims that babies harbor live bacteria while still in the womb are inaccurate, and may have impeded research progress, according to University College Cork (UC
A team of experts unanimously refuted the concept of a fetal microbiome and concluded that the detection of microbiomes in fetal tissues was due to the contamination of samples taken from the uterus. This contamination could have occurred during vaginal birth, medical procedures, or during laboratory testing.
Scientific claims that babies harbor live bacteria while still in the womb are inaccurate, and may have impeded research progress, according to University College Cork researchers at APC, a world-leading Science Foundation Ireland Research Centre, which led a perspective published today in the prestigious scientific journalPrior claims that the human placenta and amniotic fluid are normally colonized by bacteria would, if true, have serious implications for clinical medicine and pediatrics.
University College Cork & APC Microbiome Ireland Principal Investigator Prof. Jens Walter assembled a trans-disciplinary team of 46 leading experts from around the world to evaluate the evidence for microbes in human fetuses. Credit: UCCThe team unanimously refuted the concept of a fetal microbiome and concluded that the detection of microbiomes in fetal tissues was due to contamination of samples drawn from the womb.
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