The headaches began in March. The couple didn't think much of them - until Carrie DeKlyen began vomiting.

An initial scan showed a mass in her brain. More tests showed that it was a form of cancer, possibly lymphoma, but treatable. But a pathology exam revealed a more grim diagnosis. The 37-year-old mother of five from Wyoming, Michigan, had glioblastoma, an aggressive form of brain cancer. If lucky, she could live for five more years.

The tumour was removed during surgery in April, said her husband, Nick.

Then, not even a month later, the couple received two pieces of shocking news. Carrie's tumour was back - and she was eight weeks pregnant.

They had two options: They could try to prolong Carrie's life through chemotherapy, but that meant ending her pregnancy. Or they could keep the baby, but Carrie would not live long enough to see the child.

It was a wrenching but obvious choice for the DeKlyens: They would have the child, their sixth.

Life Lynn DeKlyen was born at 5:30 p.m. Sept. 6 - 24 weeks into Carrie DeKylen's pregnancy. She weighed 1 pound 4 ounces. The couple came up with her name together.

Carrie DeKlyen was buried six days later.

Then Life died as well, 14 days after she was born.

The infant's death was announced Thursday on the couple's Facebook page.

"It is with great sadness and a absolutely broken heart that I tell you Life Lynn passed away last night," the post read. "Carrie is now rocking her baby girl. I have no explanation of why this happened, but I do know Jesus loves us and someday we will know why. The grief we feel is almost unbearable, please be praying for our family."

Carrie found out she was pregnant with Life (pictured) after doctors found a terminal brain tumour. (Cure 4 Carrie)

Nick DeKlyen could not be reached for comment Thursday.

But he told The Detroit News just one day earlier that Life Lynn nearly died Sept. 12, the same day Carrie DeKlyen was buried.

"I know God can turn this around," he told the News on Wednesday. "And I am going to keep believing that Life is going to be fine."

Life was delivered by Caesarean section as Carrie DeKylen was dying.

"That's what she wanted," Nick said earlier this month. "We love the Lord. We're pro-life. We believe that God gave us this baby."

In the spring, after a second surgery to remove the tumour, the couple had gone home, knowing Carrie had only months left to live.

By the end of June, the tumour was back again.

This time, it was inoperable: Doctors told the DeKlyens that all they could do was to keep taking out the fluid accumulating in Carrie's brain to relieve the pain, her husband said.

Carrie was rushed back to the University of Michigan hospital in Ann Arbor in mid-July. She was screaming in pain and convulsing. That was the last time she was conscious, her husband said.

"They said that she had a massive stroke," Nick DeKlyen told The Washington Post this month. "They said the fluid built up so much the cranium had no place to go."

Carrie was 19 weeks pregnant by then. Nick said doctors told him they would do what they could to keep the child growing.

But Carrie would probably not wake up again - and if she did, she wouldn't recognize her family. She had suffered significant brain damage from the stroke. For the next several weeks, a feeding tube and a breathing machine would keep the mother and her child alive.

Two weeks later, there was another stroke. Carrie's brain was so swollen that doctors had to remove a portion of her skull, Nick said.

By the time Carrie was 22 weeks pregnant, her baby wasn't growing fast enough, weighing only 378 grams, or eight-tenths of pound.

To survive birth, the baby had to be at least 500 grams, a little more than a pound, Nick said.

Carrie in the hospital with three of her children and her husband Nick. (Cure 4 Carrie)

Another two weeks went by, and some good news came: The baby weighed 625 grams.

The bad news was, the baby was not moving.

Nick said he was given two options: He could do nothing and hope the baby began moving and continued growing, but doing nothing meant his child could die within an hour. Or he could authorize a Caesarean section.

He chose the latter, and Life was born - an extreme preterm who would never know her mother.

"It was kind of bittersweet," Nick recalled, noting that Carrie was "not awake" during or after giving birth. Instead, "she [was] going to pass away," he said.

"After that, I went to the surgeon and said my wife had enough. She's gone through so much pain these last five months."

Carrie lived briefly after doctors removed her from life support.

"I sat by her the whole time. I kind of held her hand and kissing her, telling her that she did good," Nick said. "I told her, 'I love you, and I'll see you in heaven.' "

On Sept. 8, early in the morning, Carrie opened her eyes, then closed them again, Nick said.

She clenched her hands tightly, then slowly stopped breathing. She died before dawn.

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Carrie's story was chronicled on a Facebook page called Cure 4 Carrie.

Four days after his daughter was born and two days after his wife died, Nick said he was dividing his time between planning a funeral and visiting his newborn, who remained in intensive care.

He was living temporarily in the Ronald McDonald House in Ann Arbor, a short walk from the hospital, and driving back to Wyoming on weekends to visit his other children, ages 18, 16, 11, 4 and 2.

The 39-year-old said at the time that he was still figuring out his family's future.

Four years ago, he said, he started a vending machine company that he later sold to his brother. But he did not have a source of income.

"My wife's gone. I have six kids, three are under the age of 5. I'm just going to focus on my daughter right now, getting her home," he said. "As far as what I'm going to do after that, I can't tell you."

A GoFundMe page to help the family has raised more than $150,000.

Earlier this month, Nick dismissed critics who questioned the couple's decision to put their faith first, saying keeping their child showed his wife's selflessness.

"She gave up her life for the baby," he said, adding later: "I just want people to know that my wife loved the Lord. She loved her kids. She put anybody in front of her needs. . . . She put my daughter above herself."