Gastropods make up the group of animals that include snails, slugs, limpets and sea hares. These animals are available in fresh or salt water as well as land. They are the largest gang of mollusks and possess existed since the early Cambrian period. A single shell as well as an asymmetrical body characterize these animals. Anyway, if attempting to utilize the techniques of gender selection, the couples must meet several strict requirements. According to many scientists, few people is permitted to predetermine the kid's sex due to the downside areas of social imbalance. At the certified fertility clinics, you won't be eligible unless you're married and curently have one child (at least) from the opposite gender. That means you're wanting to have another child of various sex as the common hope. Along with that, some clinics have this limits to be sure that you are still fertile after running the hormone test.