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This second edition offers a unique and focused study of the use of ultrasound during the first trimester, a critical time in a fetus’ development. It includes basic examination guidelines as well as cutting-edge ultrasound modalities, including Doppler and three-dimensional ultrasound, for the period immediately preceding conception through early embryology. Fully updated, the text begins with a discussion of the safety and efficacy of diagnostic ultrasound and the use of this modality for the evaluation and treatment of infertility. Recognized experts in the field then explore conditions that may interfere with normal conception or development, including maternal diseases that would benefit from early scanning, elements of teratology, multiple gestations, ectopic pregnancy, gestational trophoblastic disease, fetal anomalies and invasive procedures in the first trimester. This edition includes seven new chapters focusing on the imaging of fetal development, including chapters on the first trimester fetal brain, genitourinary tract, and diagnosis of fetal genetic syndromes. Numerous illustrations, figures, and online videos serve as aides for understanding key concepts. First-Trimester Ultrasound, 2e is a valuable resource for many, in or after training, in obstetrics and gynecology, radiology, emergency medicine, family medicine and genetics.

Gynecology. --- Ultrasonics. --- Radiology. --- Reproductive health. --- Reproductive Medicine. --- Human reproduction --- Human reproductive health --- Human reproductive medicine --- Reproductive medicine --- Health --- Radiological physics --- Physics --- Radiation --- Inaudible sound --- Supersonics --- Sound --- Sound pressure --- Gynaecology --- Medicine --- Generative organs, Female --- Health aspects --- Diseases --- Fetus --- Pregnancy --- Ultrasonic imaging. --- Trimester, First. --- First trimester of pregnancy --- Trimester of pregnancy, First --- Ultrasonics in gynecology --- Fetal sonography --- Fetal ultrasonic imaging --- Fetal ultrasonography --- Fetal ultrasound --- Ultrasonics in obstetrics --- First trimester --- Duration --- Imaging

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Ultrasonics in obstetrics --- Fetus --- Generative organs, Female --- Ultrasonography, Prenatal --- Fetal Diseases --- Genital Diseases, Female --- Genitalia, Female --- Ultrasonic imaging --- Diseases --- Diagnosis --- diagnosis --- ultrasonography --- Ultrasonics in obstetrics. --- Genital Diseases, Female. --- Diagnosis. --- Ultrasonic imaging. --- Female Genital Diseases --- Gynecologic Diseases --- Diseases, Female Genital --- Diseases, Gynecologic --- Female Genital Disease --- Genital Disease, Female --- Gynecologic Disease --- Obstetrical ultrasonic imaging --- Obstetrical ultrasonics --- Obstetrical ultrasonography --- Obstetrical ultrasound --- Ultrasonics in gynecology --- Fetal sonography --- Fetal ultrasonic imaging --- Fetal ultrasonography --- Fetal ultrasound --- Female generative organs --- Female generative tract --- Female genital tract --- Female genitalia --- Female reproductive system --- Female reproductive tract --- Foetus --- Unborn child --- Gynecology --- Diagnostic ultrasonic imaging --- Obstetrics --- Prenatal diagnosis --- Generative organs --- Embryology --- Reproduction --- Imaging --- Health Sciences --- Physics --- Obstetrics and Gynecology --- Ultrasonic --- vroedkunde

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Ultrasonography, Prenatal --- Fetal Diseases --- Pregnancy Complications --- Fetus --- Ultrasonics in obstetrics --- Foetus --- Echographie obstétricale --- ultrasonography --- Ultrasonic imaging --- Echographie --- Ultrasonography, Prenatal. --- Obstetrical ultrasonic imaging --- Obstetrical ultrasonics --- Obstetrical ultrasonography --- Obstetrical ultrasound --- Diagnostic ultrasonic imaging --- Obstetrics --- Complications, Pregnancy --- Complication, Pregnancy --- Pregnancy Complication --- Pregnancy --- Perinatology --- Pregnancy, High-Risk --- Embryopathies --- Disease, Fetal --- Diseases, Fetal --- Embryopathy --- Fetal Disease --- Diagnosis, Prenatal Ultrasonic --- Diagnosis, Ultrasonic Prenatal --- Prenatal Ultrasonic Diagnosis --- Prenatal Ultrasonography --- Ultrasonic Diagnosis, Prenatal --- Ultrasonic Prenatal Diagnosis --- Fetal Ultrasonography --- Prenatal Diagnosis, Ultrasonic --- Ultrasonography, Fetal --- Diagnoses, Prenatal Ultrasonic --- Diagnoses, Ultrasonic Prenatal --- Prenatal Diagnoses, Ultrasonic --- Prenatal Ultrasonic Diagnoses --- Ultrasonic Diagnoses, Prenatal --- Ultrasonic Prenatal Diagnoses --- ultrasonography. --- complications --- Ultrasonics in obstetrics. --- Ultrasonography, Prenatl. --- Ultrasonic imaging. --- Echographie obstétricale --- Fetal sonography --- Fetal ultrasonic imaging --- Fetal ultrasonography --- Fetal ultrasound --- Imaging

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Ultrasound (US) prenatal screening has been proposed as the most effective technique for Trisomy 21 early assessment. Assessment of Nuchal Translucency (NT) offers promising non-invasive method for fetal abnormalities detection up to 75%. Nevertheless, current clinician practice of NT examination by locating the sonogram calipers on 2D US image requires highly trained and competent operators by adhering to a standard tedious protocol; therefore it is prone to errors and hence it decreases the reliability in intra- and inter-observer repeatability. This Brief provides the basic knowledge regarding Trisomy 21 diseases and its existing detection methods. The restrictions and disadvantages of each method are discussed accordingly. Therefore, a non-invasive early detection method using 3D ultrasound reconstruction of Nuchal Translucency is introduced. This new method for 3D NT assessments has an edge over the previous 2D methods, and entails the composite function in visualizing the explicit internal marker structure. Further, image processing techniques covered from data acquisition, pre-processing, speckle noise reduction and 3D segmentation are also discussed. This should be especially useful for students and professional researchers in the Biomedical and image processing fields.

Diagnostic imaging -- Methods. --- Nuchal translucency. --- Ultrasound. --- Fetus --- Prenatal diagnosis --- Embryonic Structures --- Ultrasonography, Prenatal --- Congenital, Hereditary, and Neonatal Diseases and Abnormalities --- Prenatal Diagnosis --- Anatomy --- Diseases --- Ultrasonography --- Diagnostic Techniques, Obstetrical and Gynecological --- Diagnostic Imaging --- Diagnostic Techniques and Procedures --- Diagnosis --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Congenital Abnormalities --- Nuchal Translucency Measurement --- Medicine --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Health & Biological Sciences --- Electrical Engineering --- Applied Physics --- Gynecology & Obstetrics --- Telecommunications --- Abnormalities --- Diagnosis. --- Ultrasonic imaging. --- Fetal sonography --- Fetal ultrasonic imaging --- Fetal ultrasonography --- Fetal ultrasound --- Engineering. --- Radiology. --- Medical physics. --- Radiation. --- Biomedical engineering. --- Signal, Image and Speech Processing. --- Biomedical Engineering. --- Medical and Radiation Physics. --- Imaging / Radiology. --- Ultrasonics in obstetrics --- Imaging --- Diagnosis, Ultrasonic. --- Radiology, Medical. --- Biomedical Engineering and Bioengineering. --- Clinical radiology --- Radiology, Medical --- Radiology (Medicine) --- Medical physics --- Health physics --- Health radiation physics --- Medical radiation physics --- Radiotherapy physics --- Radiation therapy physics --- Biophysics --- Physics --- Diagnosis, Ultrasonic --- Diagnostic sonography --- Diagnostic ultrasonics --- Diagnostic ultrasonography --- Diagnostic ultrasound --- Medical diagnostic ultrasonic imaging --- Medical ultrasonography --- Ultrasonic diagnosis --- Ultrasonic diagnostic imaging --- Ultrasonic imaging --- Ultrasonic waves --- Diagnostic imaging --- Ultrasonics in medicine --- Clinical engineering --- Medical engineering --- Bioengineering --- Engineering --- Diagnostic use --- Signal processing. --- Image processing. --- Speech processing systems. --- Radiology --- Radiological physics --- Radiation --- Computational linguistics --- Electronic systems --- Information theory --- Modulation theory --- Oral communication --- Speech --- Telecommunication --- Singing voice synthesizers --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Optical data processing --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication)