Closing arguments began Wednesday in the trial of Andrea Giesbrecht, the 42-year-old woman charged with hiding the remains of six infants in a U-Haul storage locker.

She was arrested in October 2014, but has been free on bail.

The Crown said it has proven beyond a reasonable doubt that there was disposal, that the infant remains were concealed and that the babies were likely born alive.

"Ms. Giesbrecht was trying to conceal these remains. She was trying to hide them," said Crown attorney Debbie Buors. "You can't save human remains."

In her final submissions, Buors told court the Crown believes Giesbrecht hid the remains in a storage locker so that they wouldn't be found in her home.

"There's overwhelming evidence that Andrea Giesbrecht is the person who had sole possession and control of that locker," said Buors.

Although the Crown said it doesn't need to prove Giesbrecht is the mother of the children, it said it has done that.

Medical experts testified a DNA sample supplied by Giesbrecht's husband Jeremy matches the DNA of the infants.

Jeremy Giesbrecht testified that Andrea Giesbrecht is the only possible person who could be the mother of his children.

The Crown also said DNA was taken from a sanitary napkin found in the closet of the master bedroom of the Giesbrecht's home. Experts testified that whoever that sanitary napkin belongs to is likely the parent of the children.

Buors told court the remains were found in white garbage bags, wrapped in towels and stored in Rubbermaid containers and pails, which suggests an effort was made conceal their existence.

Meantime, the defence said the Crown hasn't proven there was any disposal of the remains.

"There's a huge difference between concealing and disposing," said Giesbrecht's lawyer Greg Brodsky. "The Crown's argument doesn't deal with the word disposal."

"She didn't want the items disposed of, she wanted them kept."

Brodsky told court the concealment has to be for a criminal purpose, not just hiding something from friends and family.

"I'm not going to say this is a weird case, but it is," Brodsky said.

Giesbrecht has pleaded not guilty to all six counts. If found guilty, she could face a maximum sentence of two years in prison for each charge.