Not exact matches
The only medications really known to
cause false results,
false positives specifically, are those medications containing hCG In these cases, your doctor or fertility center will tell you not to take a
pregnancy test until these medications have cleared your system.
Most of the time, these do indicate
pregnancy — but, in certain cases, they might be
false or
caused by another condition.
Certain thyroid conditions, such as hypothyroidism, can
cause false negatives in
pregnancy tests.
Thore says that her doctor told her that the
false positives were likely
caused by her PCOS, and cysts on her uterus that can secrete
pregnancy hormones.
The
cause of
false pregnancy is not known.
But the hormonal changes associated with a
false pregnancy can throw your dog's metabolism out of whack,
causing health problems.