If you've had a miscarriage once in your life and you have been able to have subsequent children without problem, there's no reason to be concerned. But if it's a case of recurrent miscarriages, then it's unlikely that you can become a surrogate.
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.