Missouri could lose its last abortion clinic. Its fate will be decided this week.

The last abortion clinic in Missouri is battling for its existence.

Reproductive Health Services of Planned Parenthood of the St. Louis region has been operating for 46 years, serving thousands of patients annually for STI testing, cancer screenings, and abortions. But it might have to stop offering abortion care thanks to a months-long dispute with state regulators.

The controversy started after an audit earlier this year, when officials say they found “deficient practices” at the clinic. While they haven’t been very specific about what those practices are, officials requested interviews...