Opioids are derivatives of morphine, a narcotic pain reliever. The term opioid generally refers to morphine and other opium poppy-based medications. Opioids work by decreasing pain signals being transmitted through the nervous system, which suppresses our perception of pain.
When you swallow semen, Semen and sperm go down into your stomach, where they are digested with all your other food. There is no passage connecting your stomach to your ovaries. You can not get pregnant from swallowing sperm. If the donor has no STDs, it is perfectly safe.
Although a diet that is rich in fruit and vegetables can protect against many illnesses and can prolong life, it appears that it may also harm fertility. Researchers at Loma Linda University Medical School, in southern California, embarked on a four-year project to find out how diets affect sperm.