This story from the Herald archive originally appeared in 2015.

Sweet YouTube vlogging couple Sam and Nia revealed their latest pregnancy news in a unique way that has sent the internet in to a spin.

Sam got a hint that his wife was pregnant with their third child and had the wacky idea of wanting to break the news to her.

"Last night, at 1.30am while I was at work, she randomly texts me and says that she's two weeks late," he explains.

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So, after the shift he came home and took a sneaky sample of Nia's urine from the toilet (apparently she doesn't flush at night to avoid waking their other two children).

He filmed his own sweet surprise as the test reveals a positive result, defeating his fears that the pee may be diluted from the toilet water.

He heads in to the kitchen to share the news with Nia and the cute kids at breakfast.

Her over-joyed reaction is a tearjerker. The high school sweethearts took a second test after the video to confirm they are in fact pregnant.

Sam is shocked his wacky plan worked. Photo / YouTube
Sam is shocked his wacky plan worked. Photo / YouTube
Nia's adorable surprise! Photo / YouTube
Nia's adorable surprise! Photo / YouTube

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This is sweet but kind of sick.

Posted by Herald Life on Thursday, August 6, 2015

- nzherald.co.nz