It's quite common for women to suffer with a drop in libido and vaginal dryness post menopause. However, it is possible to boost your sex drive and alleviate problems like menopause dryness so that you can enjoy great sex once again. 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.