Big Fat Positive (BFP)

Last Updated: March 28, 2019

Definition - What does Big Fat Positive (BFP) mean?

A Big Fat Positive (BFP) is a slang reference to a positive result on a pregnancy test. A positive result on pregnancy test indicates that the test-taker is indeed pregnant.

FertilitySmarts explains Big Fat Positive (BFP)

The term 'big fat positive' is used in online infertility/fertility circles and is found frequently on fertility blogs and websites. A BFP is used as a happy indication that pregnancy has been achieved.

Many who use the term have been trying very hard to get pregnant, often for a long time, and they have finally received that much-anticipated verification of a positive result.

A related term, big fat negative (BFN), indicates that the test-taker is not pregnant.

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