Social media has given rise to some unusual behaviours, often blamed for diminishing the notion of privacy and encouraging an era of "oversharing" life's every intimate moment - including giving birth.

While you might be of the opinion - and personal experience - that when you're in the middle of labour pains, the last thing on your mind is getting your eyebrows on fleek for a post-birth Instagram photo, it appears that's not the case for some mums.

According to the Daily Mail, research shows 68 per cent of British women wear makeup on the day they give birth.

The high statistic has been linked to the pressure to look picture perfect for a post-birth social media snap shortly after the child arrives.

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The research shows two-thirds of mothers-to-be between 18 and 31 will undergo beauty treatments before birth day - half will have manicures or pedicures and one third will have spray tans and a blow wave.

One British woman had some
One British woman had some "labour lashes" applied pre-birth day. Photo / Instagram

The makeup artist joked that if the makeup she did for brides could last after a day full of tears and laughter, it would make it through a labour, too.

Makeup artist Tegan Woodford from the Gold Coast shared on Instagram that she gave her sister a makeover during her labour to help ease stress.

"I got a phone call from my sis-in-law at 2am saying she had her first contraction," she added, explaining she had jumped on the next plane to Adelaide to be with her.

And there's evidence aplenty of women applying makeup in between breathing through contractions.

Whether painting on their contour or having a full glam makeover as soon as their newborn arrives, women aren't holding back on sharing their processes.

New York makeup artist Alaha Karimi gained attention in 2016 when she shared photos to Instagram of herself putting on foundation in preparation for labour.

She explained she was applying the makeup as a "distraction" from her contractions.

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"I went to the hospital at 7:30 a.m., and I was in labour for a total of 10 hours that day," she told ABC News at the time. "I had an epidural around 8:30 or 9:00 a.m., so when it started to wear off, I needed something to distract myself from the pain."

By the time Woodford got there, her sister-in-law's contractions had eased so she could pay attention to getting her face done up.

"Half way through doing her makeup she was so relaxed that her contractions sped up to every few minutes, and we then had to race to the hospital," Woodford said. "She was seven centimetres dilated.

"I think I'm onto something here. Getting your makeup done whilst in labour relaxes you, speeds up the process and you look good."

An Irish mum-to-be Christine had her lashes and eyebrows prepared for the big day. Photo / Instagram
An Irish mum-to-be Christine had her lashes and eyebrows prepared for the big day. Photo / Instagram