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SOLAR ECLIPSE 2025

   Introduction to Solar Eclipses Solar eclipses are one of the most fascinating celestial events, capturing the curiosity of scientists, astronomers, and the general public alike. These occur when the Moon passes between the Earth and the Sun, either partially or completely obscuring the Sun's light. There are different types of solar eclipses: Total Solar Eclipse : The Moon completely covers the Sun. Partial Solar Eclipse : The Moon partially blocks the Sun, creating a crescent shape. Annular Solar Eclipse : The Moon covers the center of the Sun, leaving a ring-like appearance. Hybrid Solar Eclipse : A rare eclipse that transitions between total and annular phases. The Solar Eclipse of 2025 In 2025, two significant solar eclipses will occur: March 29, 2025 – A partial solar eclipse , visible in several parts of the world but not visible from India . September 21, 2025 – Another partial solar eclipse , with possible limited visibility in India. Key Details of the March 29, ...

ultrasonography in obstetrics

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 GENERAL INTRODUCTION The application of ultrasound in obstetrics and gynecology was first described in Europe in 1958 by Donald et al and in America in 1964 by Taylor et al. Ultrasound has rapidly replaced X-ray studies in the field of obstetrics and gynecology due to its safety, noninvasiveness, and effectiveness in scanning the abdominal and pelvic regions. Ultrasound is considered an ideal scanning procedure for obstetrics and gynecology due to its atraumatic nature and noninvasive approach. The ultrasound examination is typically performed with the patient in the supine position. A coupling agent, such as mineral oil, is applied to the skin to facilitate the transmission of sound waves. Reference points like the umbilicus or the symphysis pubis are used during the examination. In obstetric studies, the transrectal plane and puboxiphoid line are often used as reference points, especially in cases of progressing conception and increasing fetal size. Transverse, longitudinal, and...