A new strategy that researchers believe provides a more comprehensive screening of the entire chromosomal makeup of an embryo shows tremendous promise in the field of preimplantation genetic screening (PGS) according to a study published in the December issue of Fertility and Sterility. Forty-five infertile couples participated in the study with an average age of 37.7 years. Using a novel screening approach, researchers biopsied several cells from embryos five days after fertilization, also known as the blastocyst stage...![](/proxy.php?image=http%3A%2F%2Ffeedads.g.doubleclick.net%2F%7Ea%2FSV8WGWU1e67eNQYsLuejxqs4B9U%2F0%2Fdi&hash=418d3189c1ae964ac057b963eb4c31e8)
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