To make sure you're doing all you can to maximize your chance of getting pregnant, see: 1  Basal body temperature and cervical mucus. 2  Test your baby-making smarts. 3  Boost your chances of getting pregnant.
A wooden deck should be refinished or stained every 8 years, but no more than 10 times, otherwise the wood starts to loose it's stregth and becomes a hazard to users. A well maintained deck will have high quality stains and finishers that help prevent water and foot traffic damage.
After top coating 3 times or more you may want to power wash/ strip the wood and begin from scratch. To do the whole process, which is quite an undertaking you may want retain the services of a qualified power washing and staining expert. General info: the best time to stain your deck is spring and fall.