Five years ago, Jillian Johnson’s infant son Landon died of accidental starvation just 17 days after being born.

She shared the story in a recent blog post for the Fed Is Best Foundation, a nonprofit advocating for better education on newborn feeding procedures.

Ms Johnson wrote "if I had just given him one bottle, he would still be alive".

She gave birth to her son via caesarean section and he was a healthy weight. Lactation consultants thought the baby "had a great latch and was doing fine", Ms Johnson wrote.

She has Polycystic Ovarian Syndrome, a hormonal disorder that makes it difficult for women to produce milk, and one consultant suggested taking certain herbs to help her with production. She wrote that she was encouraged to breastfeed exclusively.

Despite continually nursing him because he would cry otherwise, baby Landon lost nearly 10 per cent of his body weight within two days and soon went into cardiac arrest due to dehydration. He was rushed back to the hospital.

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While it is normal for babies to lose up to 10 per cent of their weight within a week of birth, pediatrician Dr James Sears told People that new parents should monitor weight loss continuously and “find out how many wet diapers the baby should have, how many poopy diapers” to use as a guide.

However, Fed is Best points out that a study done on the matter was inconclusive on a specific number required.

Ms Johnson was told by the doctors at that point that though “breast is best,” she should supplement with formula and bottle feeding.

Dr Sears said to also gauge a baby’s individual needs since some may need frequent supplemental bottle-feeding.

Dr Marianne Neifert, co-author of a 1990 study on breastfeeding by the University of Colorado Denver, told the Chicago Tribune in 2013 that nearly 15 per cent of the 319 women studied produced insufficient breast milk to exclusively breastfeed.