Dads have a big role to play as far as the placenta is concerned.

Graphic content: this article includes a photo of a placenta after birth.

It all began when model and actress Sophie Sumner shared a TikTok video in which she spoke about her friend who’s pregnant.

“She was telling me that the placenta – which gives nutrients to the baby, it is like core to growing a baby – is 98% the man,” said the model in disbelief.

“I’ve asked a few men and they had no idea about this,” she added.

“But I think men should know about this because it means before a woman gets pregnant, the guy needs to go on a real health kick...”

Her video, which had almost 3 million views at the time of writing, was later remixed by NHS surgeon Dr Karan Rajan, who confirmed that “there is one very important aspect of baby-making that is mostly the father’s responsibility: the placenta”.

The doctor said the placenta’s growth is “mostly influenced by the father’s genes” and described pregnancy as “a massive internal land grab”.

He concluded the video: “Despite the biological reality, society still continues to act as though pregnancy is solely the woman’s responsibility and burden – but building a human tamagotchi is not a solo project.”

Is it true?

Dr Victoria Male, a senior lecturer in reproductive immunology at Imperial College London, told HuffPost UK said she’s........

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