Langer-Giedion Syndrome is often a true contiguous gene deletion syndrome due to deletions both in the TRPS and EXT1 genes. The lack of a functional EXT1 gene causes the bone exostoses, bone anomalies and facial abnormalities which can be noticed in patients. The EXT1 gene and the TRPS1 gene tend to be absent in patients and research suggests that other genes based in the 8q24.11-8q24.13 region of chromosome 8 may be deleted or non-functional also. Longer deletions in this area are characterized by mental retardation and also the other variations in symptoms stated previously. 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. Tribulus Terrestris Extract which can improve sex drive and sexual performance.