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<br /> Educational gallery of<br /> obstetrical ultrasound<br /> Table of contents<br /> 1st trimester examination<br /> 1st trimester imaging..............................................................................4<br /> Sonographic signs by weeks of gestation ................................14<br /> 2nd trimester examination<br /> Fetal presentation and environment ..................................... 15<br /> Fetal head and intracranial anatomy ...................................... 19<br /> Fetal biometr y...................................................................................... 29<br /> Fetal heart and thorax....................................................................34<br /> Fetal abdomen and spine.............................................................. 42<br /> Fetal<a title="OB Atlas page 1" href="http://viewer.zmags.com/publication/c0bb8afd?page=1"> Educational gallery of obstetrical ultrasound</a> <a title="OB Atlas page 2" href="http://viewer.zmags.com/publication/c0bb8afd?page=2"> Table of contents 1st trimester examination </a> <a title="OB Atlas page 3" href="http://viewer.zmags.com/publication/c0bb8afd?page=3"> Introduction Welcome to the Philips educational </a> <a title="OB Atlas page 4" href="http://viewer.zmags.com/publication/c0bb8afd?page=4"> 1st trimester examination 1st trimester imaging</a> <a title="OB Atlas page 5" href="http://viewer.zmags.com/publication/c0bb8afd?page=5"> Amnion and gestational sac 10-week gestation </a> <a title="OB Atlas page 6" href="http://viewer.zmags.com/publication/c0bb8afd?page=6"> 1st trimester examination Yolk sac </a> <a title="OB Atlas page 7" href="http://viewer.zmags.com/publication/c0bb8afd?page=7"> Fetus 9.5-week gestation 7</a> <a title="OB Atlas page 8" href="http://viewer.zmags.com/publication/c0bb8afd?page=8"> 1st trimester examination Multiple </a> <a title="OB Atlas page 9" href="http://viewer.zmags.com/publication/c0bb8afd?page=9"> Fetal heart rate tracing using M-mode 8-week gest</a> <a title="OB Atlas page 10" href="http://viewer.zmags.com/publication/c0bb8afd?page=10"> 1st trimester examination Fetal cr</a> <a title="OB Atlas page 11" href="http://viewer.zmags.com/publication/c0bb8afd?page=11"> Nuchal translucency Fetal profile at 12.6-weeks g</a> <a title="OB Atlas page 12" href="http://viewer.zmags.com/publication/c0bb8afd?page=12"> 1st trimester examination Intracran</a> <a title="OB Atlas page 13" href="http://viewer.zmags.com/publication/c0bb8afd?page=13"> Umbilical cord insertion 10.6-week gestation </a> <a title="OB Atlas page 14" href="http://viewer.zmags.com/publication/c0bb8afd?page=14"> 1st trimester examination Sonographic signs by </a> <a title="OB Atlas page 15" href="http://viewer.zmags.com/publication/c0bb8afd?page=15"> 2nd trimester examination Fetal presentation an</a> <a title="OB Atlas page 16" href="http://viewer.zmags.com/publication/c0bb8afd?page=16"> Lower uterine segment Cephalic presentation 1</a> <a title="OB Atlas page 17" href="http://viewer.zmags.com/publication/c0bb8afd?page=17"> Uterus and placenta Placenta interface 17</a> <a title="OB Atlas page 18" href="http://viewer.zmags.com/publication/c0bb8afd?page=18"> 2nd trimester examination Umbili</a> <a title="OB Atlas page 19" href="http://viewer.zmags.com/publication/c0bb8afd?page=19"> 2nd trimester examination Fetal head and intrac</a> <a title="OB Atlas page 20" href="http://viewer.zmags.com/publication/c0bb8afd?page=20"> Lateral ventricle Fetal cranium at the level of t</a> <a title="OB Atlas page 21" href="http://viewer.zmags.com/publication/c0bb8afd?page=21"> Cerebellum, posterior fossa and nuchal fold measu</a> <a title="OB Atlas page 22" href="http://viewer.zmags.com/publication/c0bb8afd?page=22"> 2nd trimester examination Axial vi</a> <a title="OB Atlas page 23" href="http://viewer.zmags.com/publication/c0bb8afd?page=23"> Choroid plexus 16.8-week gestation 23</a> <a title="OB Atlas page 24" href="http://viewer.zmags.com/publication/c0bb8afd?page=24"> 2nd trimester examination Cavum sep</a> <a title="OB Atlas page 25" href="http://viewer.zmags.com/publication/c0bb8afd?page=25"> Corpus callosum 19-week gestation 25</a> <a title="OB Atlas page 26" href="http://viewer.zmags.com/publication/c0bb8afd?page=26"> 2nd trimester examination Orbits A</a> <a title="OB Atlas page 27" href="http://viewer.zmags.com/publication/c0bb8afd?page=27"> Nasal bone 15-week gestation 27</a> <a title="OB Atlas page 28" href="http://viewer.zmags.com/publication/c0bb8afd?page=28"> 2nd trimester examination Nose a</a> <a title="OB Atlas page 29" href="http://viewer.zmags.com/publication/c0bb8afd?page=29"> 2nd trimester examination Fetal biometry • Bipa</a> <a title="OB Atlas page 30" href="http://viewer.zmags.com/publication/c0bb8afd?page=30"> 2nd trimester examination Biparieta</a> <a title="OB Atlas page 31" href="http://viewer.zmags.com/publication/c0bb8afd?page=31"> Head circumference 17-week gestation 31</a> <a title="OB Atlas page 32" href="http://viewer.zmags.com/publication/c0bb8afd?page=32"> 2nd trimester examination Abdominal</a> <a title="OB Atlas page 33" href="http://viewer.zmags.com/publication/c0bb8afd?page=33"> Femur length 17-week gestation 33</a> <a title="OB Atlas page 34" href="http://viewer.zmags.com/publication/c0bb8afd?page=34"> 2nd trimester examination Fetal heart and thora</a> <a title="OB Atlas page 35" href="http://viewer.zmags.com/publication/c0bb8afd?page=35"> 4 chamber view of the fetal heart 19-week gestati</a> <a title="OB Atlas page 36" href="http://viewer.zmags.com/publication/c0bb8afd?page=36"> 2nd trimester examination 4 chamber</a> <a title="OB Atlas page 37" href="http://viewer.zmags.com/publication/c0bb8afd?page=37"> 4-chamber view 23.5-week gestation 37</a> <a title="OB Atlas page 38" href="http://viewer.zmags.com/publication/c0bb8afd?page=38"> 2nd trimester examination Left outf</a> <a title="OB Atlas page 39" href="http://viewer.zmags.com/publication/c0bb8afd?page=39"> Right outflow tract 23.5-week gestation 3</a> <a title="OB Atlas page 40" href="http://viewer.zmags.com/publication/c0bb8afd?page=40"> 2nd trimester examination Fetal hea</a> <a title="OB Atlas page 41" href="http://viewer.zmags.com/publication/c0bb8afd?page=41"> Fetal thorax Sagittal sweep of the chest and uppe</a> <a title="OB Atlas page 42" href="http://viewer.zmags.com/publication/c0bb8afd?page=42"> 2nd trimester examination Fetal abdomen and spi</a> <a title="OB Atlas page 43" href="http://viewer.zmags.com/publication/c0bb8afd?page=43"> Stomach and bladder 23-week gestation 43</a> <a title="OB Atlas page 44" href="http://viewer.zmags.com/publication/c0bb8afd?page=44"> 2nd trimester examination Fetal kid</a> <a title="OB Atlas page 45" href="http://viewer.zmags.com/publication/c0bb8afd?page=45"> Fetal kidneys A coronal view of the fetal abdomen</a> <a title="OB Atlas page 46" href="http://viewer.zmags.com/publication/c0bb8afd?page=46"> 2nd trimester examination Cord inse</a> <a title="OB Atlas page 47" href="http://viewer.zmags.com/publication/c0bb8afd?page=47"> Cervical and thoracic spine 24-week gestation </a> <a title="OB Atlas page 48" href="http://viewer.zmags.com/publication/c0bb8afd?page=48"> 2nd trimester examination Thoraco-</a> <a title="OB Atlas page 49" href="http://viewer.zmags.com/publication/c0bb8afd?page=49"> Cervical, thoracic, lumbar, and sacral spine 19-w</a> <a title="OB Atlas page 50" href="http://viewer.zmags.com/publication/c0bb8afd?page=50"> 2nd trimester examination Thoracic </a> <a title="OB Atlas page 51" href="http://viewer.zmags.com/publication/c0bb8afd?page=51"> 2nd trimester examination Fetal extremities • L</a> <a title="OB Atlas page 52" href="http://viewer.zmags.com/publication/c0bb8afd?page=52"> 2nd trimester examination Lower ext</a> <a title="OB Atlas page 53" href="http://viewer.zmags.com/publication/c0bb8afd?page=53"> Lower extremities and feet Plantar surface of the</a> <a title="OB Atlas page 54" href="http://viewer.zmags.com/publication/c0bb8afd?page=54"> 2nd trimester examination Upper </a> <a title="OB Atlas page 55" href="http://viewer.zmags.com/publication/c0bb8afd?page=55"> Upper extremities and hands 24-week gestation </a> <a title="OB Atlas page 56" href="http://viewer.zmags.com/publication/c0bb8afd?page=56"> 3rd trimester examination Fetal biometry • Bipa</a> <a title="OB Atlas page 57" href="http://viewer.zmags.com/publication/c0bb8afd?page=57"> Biometry Biparietal diameter (BPD), and head circ</a> <a title="OB Atlas page 58" href="http://viewer.zmags.com/publication/c0bb8afd?page=58"> 3rd trimester examination Biometry</a> <a title="OB Atlas page 59" href="http://viewer.zmags.com/publication/c0bb8afd?page=59"> Biometry Femur length 59</a> <a title="OB Atlas page 60" href="http://viewer.zmags.com/publication/c0bb8afd?page=60"> 3rd trimester examination Fetal intracranial an</a> <a title="OB Atlas page 61" href="http://viewer.zmags.com/publication/c0bb8afd?page=61"> Lateral ventricle 33-week gestation 61</a> <a title="OB Atlas page 62" href="http://viewer.zmags.com/publication/c0bb8afd?page=62"> 3rd trimester examination Poster</a> <a title="OB Atlas page 63" href="http://viewer.zmags.com/publication/c0bb8afd?page=63"> Fetal heart rate tracing Fetal heart rate tracing</a> <a title="OB Atlas page 64" href="http://viewer.zmags.com/publication/c0bb8afd?page=64"> 3rd trimester examination Umbilical</a> <a title="OB Atlas page 65" href="http://viewer.zmags.com/publication/c0bb8afd?page=65"> Fetal breathing motion 34-week gestation 65</a> <a title="OB Atlas page 66" href="http://viewer.zmags.com/publication/c0bb8afd?page=66"> 3rd trimester examination Typical biophysical p</a> <a title="OB Atlas page 67" href="http://viewer.zmags.com/publication/c0bb8afd?page=67"> Method Two: Prominent in Europe Each variable inc</a> <a title="OB Atlas page 68" href="http://viewer.zmags.com/publication/c0bb8afd?page=68"> References References – 1st trimester examinat</a> <a title="OB Atlas page 69" href="http://viewer.zmags.com/publication/c0bb8afd?page=69"> Hagen-Ansert S. Textbook of diagnostic ultrasonog</a> <a title="OB Atlas page 70" href="http://viewer.zmags.com/publication/c0bb8afd?page=70"> Clinical sources Clinical sources Sameer Gopal</a> <a title="OB Atlas page 71" href="http://viewer.zmags.com/publication/c0bb8afd?page=71"> 71</a> <a title="OB Atlas page 72" href="http://viewer.zmags.com/publication/c0bb8afd?page=72"> Philips Healthcare is part of Royal Philips Elect</a>