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There are a number of organizations that are working in the area of research of miscarriages. The National Institute of Child Health & Human Development is continually conducting research on the cause and prevention of miscarriages, including:

• Evaluation of the role of certain medical conditions such as polycystic ovarian syndrome (PCOS) in causing miscarriages. Studies have shown that women who have PCOS are three times more likely to miscarry in the early months of pregnancy. These women frequently have insulin resistance in addition to PCOS. Scientists have determined that the drug metformin reduces insulin resistance and promotes changes in the uterus that lowers the risk of miscarriage.
  
  
• Gene studies in women who experience recurrent miscarriage. Researchers have conducted genetic studies that have revealed a common genetic mutation in women who have had repeated, unexplained miscarriages. If the mutation can be confirmed in additional studies, scientists may be able to develop a blood test that could predict the chances of miscarriage in future pregnancies.