Why would I want to combine MicroSort with PGD?
Since PGD is already 100% effective for gender selection, and MicroSort sperm sorting is less effective, at first it doesn’t seem to make much sense to use both together. MicroSort can increase your chance of having a successful PGD cycle by increasing the number of embryos of the desired gender to choose from. IVF is not a single procedure, but a process with many steps. At the outset, some number of embryos are fertilized, but at each step, usually some perish and do not survive to the next step. The effect is sometimes called embryo attrition. Here’s an example: • 20 eggs are retrieved from the mother. • 18 eggs fertilize and become embryos. • 15 embryos survive 3 days of incubation. • 14 embryos appear normal, and undergo embryo biopsy. • 13 embryos survive embryo biopsy. • 7 embryos are chromosomally normal. • 6 are still growing after 2 additional days. • 3 embryos (one half) are female, the desired sex. • 2 are implanted, and 1 is frozen for a future cycle. In this cycle, 18 pro
