The best way to prevent this from happening is to re-think your views about it What can you do to raise your probability of developing a girl the next occasion, if you already have two sons and also you want to possess a girl? Is there one method or another to increase the percentages within your of having a boy or a girl? There is no simple method by which the gender of the child can be guaranteed, but the following practice (called Shettle's system) might help. Using this strategy is cost-free; it will be will not amount to anything, just your determination and desire.