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| via mirror.co.uk |
"Fertility experts are calling on the companies who make the solutions in which embryos are cultured during in vitro fertilisation (IVF) to give a clear list of ingredients following publication of a trial that shows that the composition of these laboratory cultures affects the outcomes of the resulting embryos and babies.
The first randomised controlled trial (RCT) to look at the effect on perinatal outcomes of different IVF culture media found that they affected the numbers of viable embryos created, the rates of successful implantation in the womb, the pregnancy rates and the babies' birthweights.
The research is published today (Wednesday) in Human Reproduction, one of the world's leading reproductive medicine journals, together with a second paper that reviews what is currently known about embryo culture media and which concludes "there is a strong case for demanding full transparency concerning the compositions of and scientific rationale behind the composition of embryo culture media." In an accompanying editorial, the journal's editor-in-chief, Professor Hans Evers, calls for urgent action by industry and regulators in the wake of these findings, saying that, just as with foods such as peanut butter, the exact composition of the culture media should be listed..."
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