Did St. Joseph hide Mary away because he actually believed her to have committed adultery?

Meekness avoids rash judgments. St. Joseph was not rash.
Did St. Joseph hide Mary away because he actually believed her to have committed adultery?
Did St. Joseph hide Mary away because he actually believed her to have committed adultery?
Did St. Joseph hide Mary away because he actually believed her to have committed adultery?

adultery?