heydarzadeh , how did you research what the difficulties were? you have gone through a process, maybe we can say that the most important problem we have in this field and in this issue is that people are very reluctant to give information about it. these items are allowed and can be bought and sold , we can be present there, well, the risks are the things that occur, the problems in this field, maybe i can say that this was the most important problem in the way of its construction, and of course it still is. it is continuing, which means that we were able to connect with some of these groups that are active in the field of preserving the life of the fetus and fighting with fetal distress, so that we can to some extent overcome this defect and dislocation. when talking to we do research, the first thing that comes to the minds of the viewers, for example, a written work, in fact, something that is written, for example, works according to the source , and such issues are like scientific or university researches, which are usually written , what abo