Unlike the fertile period of a woman, the fertile period of a man can be measured through the quantity and quality of sperm, as well as several other factors that can affect fertility. Anything? Come, see the following review!

Among the laity, most people only consider the problem of fertility as women's business. In fact, men also have fertile periods that will determine the success or failure of the pregnancy process. It's just that the fertile period of men is different from the…