Question by  berry (41)

Can drinking prior to taking a pregnancy test affect the outcome of the results?

I did not take an at home pregnancy test prior to drinking anything this morning, in fact I had three cups of coffee before testing, I am concerned that I got a false negative.


Answer by  SashaDarkCloud (5764)

I don't think that you can get a false negative from drinking something. With home pregnancy tests, it looks for the human growth hormone that a woman has in her urine when she is pregnant. And hormones can't be affected by coffee.


Answer by  kimber18 (514)

I tested several times, false neg's, pregnant with twins. Should not be affected by drinking anything. Try first a. m. urine for testing.


Answer by  dubhreubel (501)

Drinking a large amount of any liquid, and especially caffeinated beverages can alter the results of a home pregnancy test by diluting the amount of pregnancy hormone in your urine. If you still think you are pregnant, try taking a new home pregnancy test in the morning as soon as you wake up, and before doing anything else.


Answer by  Aumin (276)

Although it is slightly unlikely that drinking before a test will result in a false negative, it is said that if you drink a lot of fluids before it COULD dilute your urine enough to give you false negative. Not sure on what constitutes a lot though.


Answer by  Gizzy38 (140)

The first urine of the day has the most concentrated, but usually even a little HCG will show up as a slight positive.

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