4:34Long-form

How do pregnancy tests work? - Tien Nguyen

United StatesPublished July 7, 2015

Views 9.58M  |  Likes 141K  |  Comments 2.76K
Views#896,142Global
Views#198,435United States

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TED-EdTED-Ed
23M subs•2.39K videos•Mar 2011

Ranked #896,142 globally by view count, this video has accumulated 9.58M views since it was published on Jul 7, 2015.

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