It means individual states now have the power to decide whether to allow, limit or ban access to the procedure.
The US Supreme Court has overruled a historic ruling which recognised a woman's constitutional right to an abortion.
It means individual states now have the power to decide whether to allow, limit or ban access to the procedure.
The decision's expected to lead to abortion bans in roughly half of all US states.
Back in the seventies a ruling - called Roe versus Wade - meant it was effectively legalised across the country.
Now, abortion rights for tens of millions of women will now be determined by individual states.
And many say they'll ban abortions.
Justices voted - by 6 to 3 - to overturn the constitutional right to an abortion.
Something women have had for almost 50 years.
Protests will be held in Dublin on Sunday against the overturning of Roe vs Wade.
ROSA demonstrators will assemble at Stephen's Green at 2 pm and will march to the US Embassy in Ballsbridge.
Labour is holding a protest at the embassy in solidarity with those who will be impacted in the US.
According to the US President, the health and life of women in America are now at risk.
President Joe Biden says he will do all in his power to protect women's health.