Beata Szydlo has been distancing herself from the controversial measure which proposes a ban on terminations under all circumstances.
She also said she does not approve of her foreign minister's strong criticism of the many Poles who took part in large protests on Monday against the proposal. Many did not attend work and took to the streets to boycott the idea.
On Monday, nearly 100,000 people donned black and attended protests across the country, there were also rallies in Brussels and other European cities.
The proposal came from an anti-abortion citizens' initiative that gathered 450,000 signatures and is supported by the church in Poland.
Poland is an overwhelmingly Catholic country and the law surrounding abortion is already strict.
Speaking during a news conference the PM said she wants to see calmer emotions surrounding the divisive proposal to impose a total ban on abortion, even in cases of rape or if the mother's life is at risk.
Ms Szydlo said all views on the matter need to be respected.
"I want to say it very loudly and clearly: the government of Law and Justice was not working and is not working on any law that would change the currently binding regulations," she said.
Poland already has one of the most restrictive abortion laws in Europe, with abortion allowed only in cases of rape or incest, if the foetus is badly damaged or if the woman's life in at risk.