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= Robert Lachmann = Robert Lachmann (* 1975 in Freital, German Democratic Republic) is a german scientist, gynecologist and obstetrician who is best known for his achievements in prenatal medicine and obstetrics. He is the Founder and Medical Director of the Fetal Medicine Centre Germany. His ranking in the most important social network for science Research Gate is currently above 90 percent compared to other scientists.

An important part of his work is engaging in education of patients and parents about safety of ultrasound assessment during pregnancies especially in Germany. Lachmann studied human medicine at the Free University Berlin and the Technical University Dresden. His MD thesis he prepared about early detection and management of tricuspid atresia during pregnancy at the University of Bonn in the department for obstetrics and gynecology led by Ulrich Gembruch. He received his clinical education mainly at the University Women's Clinic Dresden, the University Women's Clinic Bonn and at Kings College Hospital London at the Harris Birthright Research Center for Fetal Medicine under the guidance of Kypros Nicolaides. There he began and from then on continuously peer- reviewed published research especially regarding the early detection of important pregnancy complications affecting perinatal mortality and maternal mortality, such as pre-eclampsia  , preterm birth   , chromosomal abnormalities  and the majority of organ malformations of the unborn child, which were previously not recognizable at 11 to 13 weeks of gestation, receiving the FMF/ISUOG Diploma in Fetal Medicine. These include spina bifida   , Cleft lip and palate  , so far rarely detected variations of Holoprosencephaly and Dandy-Walker Malformation   (cerebellar malformations) and others i. e. Agenesis of the corpus callosum. These malformations were only recognizable so far at a much later age of gestation; for the most part only from 20 weeks of pregnancy on. He specifically publishes scientific publications on the subject of ultrasound in prenatal medicine which support the concept for individualized pregnancy care starting from 11 to 13 weeks of gestation by Kypros Nicolaides named "Turning the Pyramid Of Prenatal Care"   : He firstly described that with one method, (calculation of the ratio between brain stem diameter vs. a diameter incorporating 4th ventricle and cisterna magna - the BS-BSOB ratio  ) at the time of the first trimester screening two major malformation complexes (spina bifida and cerebellar malformations such as Dandy Walker Malformation) can be almost completely excluded which were so far not so early excludable before 18 weeks of gestation. The BS-BSOB ratio - in comparison to other methods - has been proven to be the most valuable with achieving the highest detection rate and lowest false-positive rate screening parameter. Lachmann also described together with colleagues such as Kypros Nicolaides, Elena Sinkovskaya, Alfred Abuhamad an easy to depict additional visualisation in the ultrasound picture between the sphenoid bone and the occipital bone as the single line sign in both malformation complexes compared to the normal two-lines-sign in healthy unborns. His work has been confirmed by other scientific groups using also multicenter studies. He mainly focuses in the early detection of these malformations by means of easy-to-learn methodology in the level in which the nuchal translucency is measured. In addition, much of his additional work in collaboration with the Max Planck Institute is dedicated to studies of the embryonic development of the brain.