I never tried mucinex or robitussion............. but did try epo 1000mg a day (2 capsuals) up untill ov and big difference!!
I have. I used regular robitussin. I did a tablespoon every morning from day 3 thru the time i O'd and HOLY INCREASE is all I can say. I also would take a baby asprin every day something the fertility doc told me when we did IUI's the first time.