Oklahoma Republican Gov. Kevin Stitt on Wednesday signed a monthly bill into law banning abortions from the stage of “fertilization” and letting personal citizens to sue abortion suppliers who “knowingly” accomplish or induce an abortion “on a expecting lady.”

The monthly bill, ​HB 4327, is between the nation’s strictest on abortion and is a crystal clear rebuke of the protections granted in the landmark 1973 Roe v. Wade case that legalized abortion nationwide. A coalition of abortion suppliers and abortion legal rights advocates stated Wednesday night they’d challenge the law, which can take outcome quickly, in court docket and check out to block it.

Below the evaluate, abortions are prohibited at any stage of being pregnant, with exceptions for healthcare emergencies or if the being pregnant was a consequence of rape, sexual assault or incest and claimed to legislation enforcement.

The legislation defines “fertilization” as “the fusion of a human spermatozoon with a human ovum.” Though the monthly bill considers a pregnancy to begin at fertilization, and not implantation, the invoice does not limit the use of types of contraception that stop a fertilized egg from implanting in a uterus. In accordance to the bill, abortion “does not consist of the use, prescription, administration, procuring, or marketing of Program B, early morning-following supplements, or any other style of contraception or crisis contraception.”

Next the signing of the monthly bill into regulation, Stitt mentioned in a statement, “I promised Oklahomans that as governor I would indicator each and every piece of professional-existence laws that arrived throughout my desk and I am very pleased to continue to keep that assure right now.”

“From the moment everyday living commences at conception is when we have a duty as human beings to do almost everything we can to guard that baby’s life and the lifetime of the mom,” Stitt continued, introducing that “if other states want to go diverse guidelines, that is their right, but in Oklahoma we will always stand up for lifetime.”

The governor’s signature arrives as Republican-led states have pushed rigorous abortion actions in anticipation of the US Supreme Courtroom overturning Roe in a case regarding a Mississippi abortion regulation. Previously this month, a leaked draft view composed by Supreme Court Justice Samuel Alito showed that the conservative-greater part court docket was poised to strike down the holding of a federal constitutional proper to an abortion.

The remaining feeling in the situation has not been produced, and votes and language can still change just before then. The impression is not envisioned to be issued till late June.

Although numerous states have on their guides so-referred to as induce guidelines, which ban abortions in the celebration that the higher court reverses Roe, the Oklahoma monthly bill took result upon Stitt’s acceptance.

Stitt had now signed into legislation two controversial abortion measures this yr, together with just one that is modeled just after a Texas abortion legislation that enables private citizens to just take civil motion against abortion suppliers to implement the regulation. In April, the Oklahoma governor signed a in close proximity to-full abortion ban into law that tends to make doing an abortion illegal in the point out, with an exception only in the circumstance of a professional medical unexpected emergency. That law will acquire effect this summer time if it is not blocked by the courts.

Abortion rights advocates warn that the Oklahoma bans would eliminate obtain to abortion throughout the South, and be devastating for not only Oklahomans but also Texans who find abortion treatment in the condition.

“We are seeing the commencing of a domino effect that will spread across the total South and Midwest if Roe falls,” Nancy Northup, president and CEO of the Centre for Reproductive Rights, claimed in a statement Wednesday evening.