second trimester dating scan

Sonia Cash, 23 years old


About me:
Received 27 June ; revised 28 July ; accepted 28 August Rapid and accurate determination of gestational age GA may be vital to the appropriate care of the critically ill pregnant patient and improve obstetric care through allowing the optimal timing of necessary interventions and the avoidance of unnecessary ones. Ultrasound scans are considered to be the most cost-effective, accurate and safe methods for measurement of various fetal parts in pregnant women. The aim of this research is to explore the accuracy of ultrasound in determining gestational age of fetus in third trimesters. Only women with single live fetus were included in this study. Women who participated in the study were selected on following criteria: Regular menstrual cycles, known date of last menstrual period and previous live normal neonates in multipara. All scans were performed by a single ultrasonologist on one ultrasound machine.

A second trimester morphology ultrasound is performed in the middle part of the pregnancy, usually between 18 and 20 weeks gestation. All pregnant women have this ultrasound as a routine part of their antenatal pregnancy care. This ultrasound will check that your baby is growing and developing normally. Transabdominal ultrasound involves scanning through your lower abdomen. A small amount of ultrasound gel is put on the skin of the lower abdomen, with the ultrasound probe then scanning through this gel. The gel helps improve contact between the probe and your skin. Sometimes a transvaginal ultrasound is also needed during second trimester dating scan second trimester ultrasound.

These days, it's pretty much routine for women in their second trimester to be scheduled for a level 2 ultrasound, commonly called the week anatomy scan. That's because practitioners have found that this special pregnancy ultrasound is a great way to see how a baby is developing and offer reassurance that everything is going exactly the way it should be. It's fascinating to get a sneak peek of your baby — and fun to take home a souvenir photo to start the baby album. Virtually all practitioners order an ultrasound anatomy scan for all their moms-to-be. Even if you had a first-trimester level 1 sonogram to confirm or date your pregnancy, or as part of a first-trimester screening test, the more detailed level 2 sonogram is important because of all the additional valuable information it gives your practitioner about what's going on with your baby.
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