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When Is The Right Time For A Second Ultrasound During Pregnancy?

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Posted on Mon, 24 Nov 2014
Question: my wife will complete her first trimester on 8th November, when should we go for 2nd ultrasound . On 1st ultrasound everything was normal and baby heartbeats was 140 bps
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Answered by Dr. Shanti Vennam (18 minutes later)
Brief Answer:
Can get it now and between 20-22 weeks.

Detailed Answer:
Hello,

Thanks for posting your query.

If the first trimester sonogram has corresponded with the age of pregnancy, she may get a nuchal translucency scan with combined screening and a dating scan between 11-14 weeks.

Dating scan helps to predict the expected date of delivery while combined screening helps to exclude the possibility of occurrence of Down's syndrome. In the latter, two hormones observed at this stage of the pregnancy are also measured and together with the maternal age, the risk is calculated.

Anomaly scan can be done at 20-22 weeks again to rule out some more anomalies.

Hope your query has been answered. Please feel free to contact for further clarifications. I will be happy to help.

regards,
Shanti.V.
Above answer was peer-reviewed by : Dr. Bhagyalaxmi Nalaparaju
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Answered by
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Dr. Shanti Vennam

OBGYN

Practicing since :1989

Answered : 7667 Questions

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When Is The Right Time For A Second Ultrasound During Pregnancy?

Brief Answer: Can get it now and between 20-22 weeks. Detailed Answer: Hello, Thanks for posting your query. If the first trimester sonogram has corresponded with the age of pregnancy, she may get a nuchal translucency scan with combined screening and a dating scan between 11-14 weeks. Dating scan helps to predict the expected date of delivery while combined screening helps to exclude the possibility of occurrence of Down's syndrome. In the latter, two hormones observed at this stage of the pregnancy are also measured and together with the maternal age, the risk is calculated. Anomaly scan can be done at 20-22 weeks again to rule out some more anomalies. Hope your query has been answered. Please feel free to contact for further clarifications. I will be happy to help. regards, Shanti.V.