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Scan related querry

I have few doubts abt scan during pregnancy period..which scan is mandotory during second trimester and third trimester..
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Doctor Answers (2) on Scan related querry

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Dr. Rita Bakshi Delhi | Gynecologist/Obstetrician
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Hello, Here is a guide on which scans are important in a pregnancy (trimester wise). First Trimester Your first ultrasound, also known as a sonogram, will take place when you're around 6 to 8 weeks pregnant. When you schedule your appointment, be sure to ask whether you need a full bladder for the test. Sound waves travel better through liquid, so a full bladder can enhance the quality of your ultrasound. As your uterus and the fetus grow (and you have more amniotic fluid), a full bladder matters less. At this stage, your baby is very small and your uterus and fallopian tubes are closer to your birth canal than to your abdomen, so your ob-gyn will conduct the test transvaginally to get a clearer picture. The test is painless. Your ob-gyn will place a thin, wand-like transducer probe, which transmits high-frequency sound waves through your uterus, in your vagina. The sound waves bounce off the fetus and send signals back to a machine that converts these reflections into a black and white image of your baby. It will be hard to see much in this first snapshot, but a clearer photo will come around 13 weeks, which is the ideal time to share your exciting news. Other tests All pregnant women are offered a nuchal translucency (NT) test, performed between 11 and 13 weeks, and this involves another ultrasound. The NT evaluates your risk of having a baby with Down syndrome, trisomy 18 (another chromosomal abnormality), or certain heart defects. In this two-part exam, a blood test measures levels of certain hormones and proteins in your body, and an ultrasound determines the thickness at the back of baby's neck (increased thickness indicates that he may be at risk for birth defects such as Down syndrome and trisomy 18). Second Trimester This ultrasound, called an anatomy scan, lasts 20 to 45 minutes if you're having one baby, longer if you're having multiples. Your ob-gyn uses it to assess the baby's growth and make sure all of her organs are developing properly. You'll be able to see your baby's developing body in great detail, but it can be hard for an untrained eye to distinguish the kidneys from the stomach. Ask your doctor or tech can point out organs to you as she reads the scan. his is the most thorough checkup your baby will have before she is born. The doctor will check your baby's heart rate and look for abnormalities in her brain, heart, kidneys, and liver. She'll count your baby's fingers and toes, check for birth defects, examine the placenta, and measure the amniotic fluid level. Between 14 and 20 weeks, you may have an amniocentesis to check for Down syndrome. Women whose screening test revealed a potential problem, who are 35 or older, or who have a family history of certain birth defects should consider an amniocentesis. In this procedure, a needle is inserted through your belly and into your uterus to take a sample of amniotic fluid, and your health care provider may use ultrasound to guide the placement of the needle. Third Trimester For many pregnant women, their last ultrasound takes place at their 20-week anatomy scan. If you've gone past your due date, your doctor may want to keep a close eye on your baby with fetal heart-rate monitoring and ultrasounds to assess the amniotic fluid levels. If you suffer from gestational diabetes, your doctor may scan you with a Doppler ultrasound in the last weeks. A regular ultrasound uses sound waves to produce images; this one bounces high-frequency sound waves off circulating red blood cells to measure blood flow and blood pressure. The test will determine if Baby is getting enough blood. You can also visit my clinic International Fertility Centre located in New Delhi for further examination. My clinic offers varied gynecological treatments and services and ensures a successful treatment. You can also share your contact details to reach you.
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Dr. Aparnaa Panda Bangalore | Gynecologist
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All the following scans r important and tell us different things at different periods of time.
First trimester.....early pregnancy scan and NT scan.
Second trimester..... anomaly scan.
Third trimester.....growth scan and end term scan.
Out of all the above scans the most important which just cannot be missed is the ANOMALY scan.
Repeated Ultrasound is not known to cause any side effects on the fetus or on the mother.
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