Some couples undergo embryo transfer after embryo transfer without getting pregnant. This implantation failure means that, for some couples, IVF just doesn't seem to work. Implantation failure is a devastating event for these couples and is therefore the focus of much research. Scientists are exploring several possible reasons for implantation failure, including
1 Microscopic blood clots may disrupt the process of implantation
1 The mother's immune response may prevent the embryo from implanting
1 The uterine lining may not have the right hormone profile for implantation i Toxins from a past or current subclinical infection in the uterus may prevent implantation
Scientists are hoping to pinpoint the exact causes of implantation failure and then find ways to remedy these issues in order to improve the chances of embryos implanting successfully.
In addition, scientists have identified certain gene patterns among women who experience implantation failure and are working on isolating these patterns as a predictor of IVF success. So, in the future, it may be possible to look at your gene pattern before you start IVF treatment in order to get a good estimate of your chances of having a baby with IVF. If your odds are really bad, you may decide not to go ahead with the treatment.
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