Choosing the best embryos

Struggling with infertility? You are not alone. Infertility affects one out of every six Canadian couples. Some resort to in vitro fertilization, with mixed results. In a new study, researchers unveiled a mechanism that likely contributes to the low level of pregnancy success in some fertility clinics. This new information could ultimately increase women's chances of having a baby.

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Point-of-care diagnostic for detecting preterm birth on horizon

A new study provides a first step toward the development of an inexpensive point-of-care diagnostic test to assess the presence of known risk factors for preterm birth in resource-poor areas. The study found that measuring levels of TIMP-1 and D-lactic acid in vaginal secretions may be a noninvasive, cost-effective way to assess the risk for preterm birth due to a short cervix and microbiome composition.

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Aggressive form of breast cancer influenced by dual action of genes and RNA

Women with an aggressive, less-common type of breast cancer, known as triple-negative, versus a more common form of the disease, could be differentiated from each other by a panel of 17 small RNA molecules that are directly influenced by genetic alterations typically found in cancer cells.

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Unique brain cells linked to OCD and anxiety

Scientists have discovered a new lineage of specialized brain cells, called Hoxb8-lineage microglia, and established a link between the lineage and OCD and anxiety in mice. Their experiments proved that Hoxb8-lineage microglia prevent mice from displaying OCD behaviors. Additionally, they found that female sex hormones caused more severe OCD behaviors and induced added anxiety in the mice.

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