Michelle Trachetenberg's cause and manner of death will remain undetermined after her family objected to having an autopsy conducted on her body.

Whenever we spoke, there was something medically wrong,” the pal said of the “Gossip Girl” star’s health “curveballs.”

Michelle Trachtenberg’s cause of death has been revealed one day after she died at 39 years old. Michelle Trachtenberg's Cause of Death Ruled as 'Undetermined' The Buffy the Vampire Slayer alum’s cause and manner of death were both officially listed as “undetermined,

Michelle Trachtenberg was not interested in wading into the legal waters surrounding her Gossip Girl costar Blake Lively in the weeks before her death. Us Weekly confirmed on Wednesday, February 26, that Trachtenberg was found dead inside her Midtown West Side apartment. She was 39 years old. On January 16, Trachtenberg posted a picture of

The actress' family have declined to have an autopsy performed after she was found unconscious and unresponsive in her apartment

Michelle Trachtenberg was close to closing a deal for a screenplay she had been working on for years before her shocking death last week, TMZ reports. Speaking to a director and producer involved with the project,

Michelle Trachtenberg was in poor health before she died at age 39 on Feb. 26. Several sources spoke to Us Weekly about the “Gossip Girl” alum’s final days after she got a liver transplant, which may have contributed to her death.

Before her death at 39, Michelle Trachtenberg wrote a screenplay titled, 'Toy Monster.' Director Casey Tebo exclusively tells PEOPLE that studio executives struggled to see the late actress for anything beyond her iconic television roles,