This free monthly calendar tracks your cycle in a very quick and simple way. All you have to do is type in the date of your respective last period and the calendar does the remainder. Everything is color coded for simple viewing. Green displays fertile days, blue may be the present day, and red occurs when you are expected to get a period. This is all based on the cycle length and the date of the first period which you entered. There are different reasons that a man can experience a loss in sperm production which is normally due to smoking, heavy drinking of alcohol, steroids, drugs (marijuana, cocaine, opiates) among others. Sperm Pills or commonly called Volume Pills that are made from natural herbal ingredients are probably the best treatment for those older men who experience the decrease of creation of sperm as well experience early ejaculation and would like to grow their creation of sperm to where back in the day when they were younger. Let's now explore this window further to learn when was a good time.The egg once released possess a lifespan of twelve (12)hours. The egg therefore, needs to be fertilized within this twelve- hour period for conception to occur. The sperm on the other hand can survive approximately 5 days in the reproductive duct.