A Glen Head college student accused of suffocating her baby soon after giving birth has been indicted on homicide and manslaughter charges, according to a Nassau County grand jury indictment unsealed Monday.

Sharon Seudat, 20, pleaded not guilty Monday in Nassau County Court to charges of second-degree murder and first- and second-degree manslaughter for allegedly suffocating her healthy, 7-pound, 5-ounce newborn daughter on March 31 inside her Walnut Street home, according to her attorney and court documents.

Seudat has been free on a $1 million bond or $750,000 cash bail since she was first arraigned in district court in early April following her arrest. Nassau County Court Judge Angelo Delligatti on Monday continued Seudat’s bail on the indictment, according to a spokesman for the district attorney’s office.

Seudat’s attorney, Edward Lieberman, said he entered a not guilty plea on behalf of his client at Monday’s arraignment.

“She and her family are dealing with the situation as it unfolds,” said Lieberman, of Sea Cliff. “She’s deeply remorseful for what happened.” The case is due back in court for a conference on June 20. Asked whether Lieberman anticipated a jury trial or would seek a plea deal from the district attorney’s office, he said: “We are anticipating having discussions during our conferences with the district attorney’s office regarding this matter.”

Brendan Brosh, a spokesman for the district attorney’s office, declined to comment.

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Officers and firefighters responded to a 911 call for medical assistance at Seudat’s home on the morning of March 31, police have said. Seudat was suffering from profuse vaginal bleeding and was rushed to Glen Cove Hospital.

An emergency room doctor determined she had recently given birth but Seudat “repeatedly denied the existence of the baby,” prosecutors have said.

Nassau police found the dead baby in a plastic garbage bag that had been wrapped in a blanket and placed on the back deck of the home, authorities have said.

Seudat, a Nassau Community College student who worked part time at a carwash, hid her pregnancy from her family and the father of her child, police have said.

When she went into labor, Seudat’s father was at work, but her brother and mother were at home, police have said. Her mother rushed into Seudat’s bedroom after hearing screams but was still not sure what was going on, police said. At that point, the baby was already dead, police said.