The One Show host, who is already mum to Teddy, four, and Kit, two, revealed that she is due to welcome a baby girl later this year.Alex admitted that despite feeling really tired, she did not realise she was pregnant at first.She put her lack of energy down to her new eating regime.The mum-of-two was trying out a vegan diet and had cut out meat and dairy products from her meals."I just felt really tired but, of course, in hindsight I was pregnant."I thought it was the veganism making me drained of energy but it wasn't," Alex told the MailOnline."This is ridiculous in a third pregnancy," she continued."But I didn't realise the clues were there because I honestly blamed everything on the veganism.
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