The journey to get pregnant can ... guaifenesin, that helps with congestion by thinning phlegm, a type of mucus produced by the respiratory system. The theory in using Mucinex to help with ...

(NEW YORK) — The journey to get pregnant can be a ... Why would Mucinex help with pregnancy? Mucinex contains an active ingredient, guaifenesin, that helps with congestion by thinning phlegm ...