Several nonclinical reports within the literature have shown adverse effects on male fertility while in the rat from exposure to morphine. 1 analyze where male rats have been administered morphine sulfate subcutaneously ahead of mating (around 30 mg/kg 2 times day-to-day) and during mating (twenty mg/kg two times each day) https://epiconlinemedstore.com/product/buy-morphine-sulfate-online/