1 doctor weighed in:

My urine is clean after ingesting THC a week ago. However, my cycle has begun. Will a urine test read positive because of the menstrual blood?

1 doctor weighed in

In brief: Suspect not

THC tends to build up fatty tissue.
I don't see why menstrual blood would make the results positive if they were negative last week.

Another question to ask is why sabotage your life/ career with marijuana use.

In brief: Suspect not

THC tends to build up fatty tissue.
I don't see why menstrual blood would make the results positive if they were negative last week.

Another question to ask is why sabotage your life/ career with marijuana use.
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