Chief Justice John Roberts, speaking at the same judicial conference as Thomas, called the leak of a draft opinion striking down Roe v. Wade earlier this week "absolutely appalling."
The law could put doctors, and even patients, in prison for up to four years. And the state's attorney general says she can't stop local prosecutors from enforcing it.
Abortion-rights advocates have seen an outpouring of support since the Supreme Court's draft decision to overturn Roe v. Wade became public. Some groups said they raised record amounts.
Some state lawmakers are working to deter residents from seeking abortions elsewhere, or to punish those who help them do so. Delivery of abortion medication by mail could become another battleground.
Georgia's Democratic gubernatorial candidate pivoted her fundraising after the Supreme Court draft opinion leaked. "We can only win this fight by uniting and doing the work together," she said.
President Biden and Vice President Harris have both focused on the risks to other rights like marriage and contraception since the draft Supreme Court opinion leaked.
Human rights organizations say there is an international trend toward expanding abortion access, as countries such as Mexico and Argentina have worked to decriminalize the procedure.
Rights groups are afraid that reversing Roe v. Wade could have consequences for same-sex marriage, access to contraception, and transgender rights. And now they're mobilizing.
If the U.S. scraps the constitutional right to abortion, human rights advocates warn that repressive governments across the globe could use it to justify crackdowns on their citizens.