Jan Tesarik1, Raquel Mendoza-Tesarik2, Nicolas Mendoza3. 1. MARGen Clinic, Granada, Spain. Electronic address: jtesarik@clinicamargen.com. 2. MARGen Clinic, Granada, Spain. 3. MARGen Clinic, Granada, Spain; Department of Obstetrics and Gynecology, University of Granada, Granada, Spain.