In states like Arizona and Nevada, the initiatives have overwhelming support in the polls, while pro-abortion-rights Democrats are in much closer races.
Abortion opponents say restricting demonstrations infringes on the First Amendment, but abortion rights supporters say it safeguards patients and staff.
In her new memoir, Melania Trump also writes that a woman has a "fundamental right of individual liberty" that "grants her the authority to terminate her pregnancy if she wishes."
NBC News is tracking the status of state-level abortion laws and restrictions across the country, as well as exceptions in places where bans are in effect.
Vance said his view is "consistent" with Trump, whose administration slashed funding for Planned Parenthood and who said in 2016 that he would “defund it because I’m pro-life.”
The dispute mirrors a similar case the court decided in June concerning the tension between a federal law requiring emergency room care and state laws that ban abortion.
In an interview on Fox News’ Sunday Morning Futures, the former first lady spoke about her beliefs about abortion ahead of the release of her memoir, “Melania.”
The former first lady reportedly defends reproductive rights in her coming memoir. She also posted a video Thursday about "individual freedom" for women.