Use of ultrasound during pregnancy
Ultrasound examinations during pregnancy serve various crucial purposes. These
scans measure the head, abdomen, and femur to estimate the current fetal weight.
They also determine the fetal heart rate and employ Doppler ultrasound to assess
blood flow in the umbilical artery, thereby checking placental function. More
important EDD can be estimated as many women forget their LMP and this helps
also to monitor growth of baby.
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EARLY ULTRASOUND |
In early pregnancy, typically around seven weeks after a missed period, ultrasounds are recommended, especially for women with a history of miscarriages. And as the heart beat is developed in seven weeks therefore early ultrasound is recommended .They help confirm the pregnancy's location (intrauterine or ectopic) and whether it is a single or multiple gestation. During the first trimester, typically between 11 and 13 weeks, an ultrasound can detect chromosomal abnormalities, such as Down syndrome, by measuring nuchal transparency, which involves assessing the fluid behind the baby's neck (NT Scan).
In the second trimester, between 15 and 20 weeks, ultrasound scans are essential to screen for fetal anomalies or birth defects.

SEX DETERMINATION DURING 18 TO 22 WEEKS
Determining the baby's sex is possible during ultrasound examinations, typically
between 18 to 20 weeks of pregnancy. However, it's important to note that many
countries, including South Korea, China, India, and parts of North America and
Vietnam, have banned revealing the baby's sex during ultrasounds to combat
gender-based selective abortion.

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