Louisiana has become the latest US state to pass a strict new abortion law that would ban the procedure before some women even know they are pregnant.
It joins half a dozen conservative US states who plan to make abortion illegal as soon as a foetal heartbeat can be detected, which can be as early as six weeks into a pregnancy.
The Louisiana House gave final passage to the bill in a 79-23 vote.
Governor John Bel Edwards, a Democrat, supports the ban and intends to sign it into law despite opposition from party leaders who say such laws are attacks on women.
"I know there are many who feel just as strongly as I do on abortion and disagree with me - and I respect their opinions," Mr Edwards said in a statement after the ban's passage.
"As I prepare to sign this bill, I call on the overwhelming bipartisan majority of legislators who voted for it to join me in continuing to build a better Louisiana that cares for the least among us and provides more opportunity for everyone."
Abortion rights activists say Louisiana's bill would effectively eliminate abortion as an option before many women realise they are pregnant, calling the proposal unconstitutional.
The legislation includes an exception from the abortion ban to prevent the pregnant woman's death or "a serious risk of the substantial and irreversible impairment of a major bodily function", or if the pregnancy is deemed "medically futile".
But it does not include an exception for a pregnancy caused by rape or incest.
A doctor who violates the ban could face a prison sentence of up to two years, along with the revocation of their medical licence.
Georgia, Kentucky, Mississippi and Ohio have enacted similar so-called heartbeat bills, while Missouri politicians approved an eight-week ban on abortion.
Alabama has gone even further, outlawing virtually all abortions, even in cases of rape or incest. None of the bans have taken effect, and all are expected to face legal challenges.
Abortion opponents hope a case will make its way to the high court and two new conservative justices appointed by US president Donald Trump could help overturn the Supreme Court's 1973 Roe V Wade decision that legalised abortion nationally.
