Common cause of miscarriages in women over 40 revealed
Featured in Cosmos Magazine, research co-led by Professor John Carroll and published in Nature Communications may provide answers as to why women in their 40s have higher incidences of miscarriage and babies with chromosomal abnormalities. The study analysed two processes of cell division – known as meiosis I and meiosis II – that occur in the final stages of egg development. During these two phases, the number of chromosomes in a fertilised egg is regulated by a protein called securin.
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