1 doctor weighed in:

Invalid pregnancy test result. How come?

1 doctor weighed in
Dr. Laura Yauch
Family Medicine

In brief: Invalid preg test?

Urine pregnancy tests can be "too early" to be valid.
You need to be at least 5 days past your expected period. Urine also needs to be 1st of the morning (concentrated) to be valid.

In brief: Invalid preg test?

Urine pregnancy tests can be "too early" to be valid.
You need to be at least 5 days past your expected period. Urine also needs to be 1st of the morning (concentrated) to be valid.
Dr. Laura Yauch
Dr. Laura Yauch
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