Ob-Gyn questions? Ask a gynecologist online.
I encountered this question with a patient of mine just few weeks ago.
If it is making a significant impact on your health when you take it, then YES, I would take it. If not, then I would avoid them and wait until your are done with pregnancy. Theoretically, they should not have any adverse effects, being friendly microorganisms, but we believe in scientific documentation of this safety before we can routinely recommend it.
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