Groups opposed to abortion rights have signed a letter asking federal health officials to urge abortion providers to "cease operations" in an effort to preserve medical equipment.
The state has one remaining clinic in St. Louis, but Planned Parenthood officials say just three abortions were performed there in February, down from 174 in the same month a year ago.
The organization says it is leaving the federal family planning program because of rule changes that prohibit its grantees from providing or referring most patients for abortion.