There's really nothing funny about pranking your partner about pregnancy. Joking about something as serious as bringing a new life into the world, and then yelling "Psych! Got you!" after your partner has had a few minutes to process the news, probably doesn't create a lot of trust in a relationship. Your partner is either going to be wildly happy and then totally let down, or about to throw him or herself into oncoming traffic and then about to throw you into traffic.

Here are a few people who used a fake positive pregnancy test to fool their significant others into believing either the best or worst news, depending on perspective.