What it is: A market failure occurs when the supply of a good or service is insufficient to meet demand. This results in an inefficient distribution of resources among market participants. Under free market conditions, prices are determined almost exclusively by the forces of supply and demand.
NuvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.This is the earliest possible date that a generic version of NuvaRing could become available. However, there are other circumstances that could come up to extend the exclusivity period of NuvaRing beyond 2018.This could include such things as other patents for specific NuvaRing uses or lawsuits.uvaRing is currently under the protection of a patent that prevents any generic NuvaRing from being manufactured in the United States. The first patent for NuvaRing currently expires in April 2018.
NuvaRing Breakthrough Bleeding: Bleeding Between Periods. NuvaRing breakthrough bleeding refers to light spotting that may occur during the time the NuvaRing is inserted. The NuvaRing is designed to be inserted and left inside the vagina for three weeks at a time. The ring is then removed and left out for a week. period is supposed to occur during the time in which the NuvaRing is out of the vagina. However, one of the most common NuvaRing side effects is breakthrough bleeding while the NuvaRing is still inserted. Breakthrough bleeding should occur as light spotting.