It was at that point that the medical team at St Andrew's Hospital in Ipswich decided to deliver Benji via an emergency caesarean section.
But the couple were not prepared for the harrowing moments that followed the birth, resulting in the 34-year-old mother being unable to meet her newborn for over a day.
“I was put on a magnesium sulphate drip to stop seizures from the pre-eclampsia, and it made Benji flatline,” Hewitt explained.
“He stopped breathing for three minutes, and I was still on the table getting sewn up, and then he got taken away to the special care nursery, and I got taken to ICU.
“It was a rough day and a rough night not really knowing what was going on between both of us, and we were in different areas of the hospital.
“Poor Brendan was with Benji for most of it, so that was good, but I finally met him after about 30 hours the next day.
“It was nice to finally meet him and be reunited, and we were both healthy by then, so we were lucky.”
Barnes recalls how he had made the mercy dash back to hospital in time for the birth.
The uncertainty surrounding Benji’s health had led to an agonising 24 hours for the pair.
“Everything was fine for a little bit when he came out - he made a couple of noises, and then flatlined for three minutes, it wasn't a good time,” Barnes said.
“It was pretty terrifying, really, we just both were laying there and we thought we'd lost him, and we didn't know what was going on.
“There were doctors and nurses running in everywhere, and we didn't know what we were dealing with.