First-trimester mandatory ultrasound was not included in the Lithuanian and Latvian Minister of Health established order of antenatal care. In developed countries like the UK and in the first trimester of pregnancy from 11 weeks to 13+6 weeks of gestation chromosomal abnormality screening was performed to all pregnant women long time ago already. Lithuania and Latvia, for the first trimester screening there was no even a single agreed methodology. The study was carried out exclusively for women only at risk prenatal centre, but specialist expertise in this area are scarce and heterogeneous findings.Methodologies used were incomplete, outdated, and different. Lithuanian literature was not available. Every obstetrician further relied on his experience and knowledge, but hadn't any possibility to rely on a standardized methodology adopted.Aims:1. First-trimester of pregnancy ultrasound “11-13 WEEK SCAN” methodology in Lithuanian and Latvian was created.2. To create the remote educational system for “11-13 WEEK SCAN” in Lithuania and Latvia3. Course in Lithuanian and Latvian to Fetal Medicine Foundation to United Kingdom to the other courses in 20 languages was transfered.Partners:1. Fetal Medicine Foundation is the first trimester chromosomal abnormality screening pioneers and current leaders in this field. 2. Lithuanian University of Health Sciences is a major university in Lithuania in the medical field. With 26 thousand medical communities, he has the greatest influence on the LT health system.3. JSC ‘Arbor Medical Corporation LT’ supplies various ultrasound equipment to hospitals, they are familiar with the technical side. Employees conduct trainings on how to use it, provides information about each product and specification.4. Latvian Obstetricians and Gynecologist Association (LGOA) brings together more than 400 obstetricians and gynecologists in LV.Outcomes:1. Single rate method in 11-13 week scan study in LT and LV.2. Distance learning course was confirmed and now it is compulsory Lithuanian and Latvian obstetricians-gynecologists and medicine students’ competence was increased, mistakes and un-correct conclusions were avoided, the test quality was improved.3. 11-13 WEEK SCAN test based on the courses, is carried out on all pregnant women, in LT and LV.4. The 11-13 WEEKS SCAN courses in Lithuanian and Latvian is involved to Fetal Medicine Foundation courses, in UK. (Currently they have 20 languages).