However, longterm mixing of acetaminophen (the ingredient in Tylenol) and aspirin can result in renal (kidney) damage. It will not happen if you mix them once or twice, but mixing repeatedly over a long period of time is dangerous.
IUI stands for intrauterine insemination. It is sometimes called artificial insemination as well. Essentially, IUI is a technique to directly place sperm into the uterus. IUI is a technique to overcome a variety of mild fertility problems, many of them on the male side.
History of Intrauterine Insemination. IUI is the oldest assisted reproductive technique and remains the most widely used worldwide. Artificial insemination techniques were first investigated in the 17 th century, as a treatment for infertility related to male sexual dysfunction (e.g. the inability to ejaculate).