Texas lawmakers advanced a bill Wednesday to clarify medical exceptions under one of the most restrictive abortion bans in the U.S.,

The bill contains many provisions legal experts say are likely unconstitutional, including one that says it can’t be challenged in state court.

A bipartisan bill meant to clarify when doctors can perform emergency abortions in Texas will soon be headed to Gov. Greg Abbott's desk. Senate Bill 31 standardizes the definition of medical emergency and clarifies that a physician need not wait until the risk to their patient's life is "imminent.