What does fetal ultrasound detect cervical lymph cysts at 12-24 weeks is normal?

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Question
Dear doctor, I am currently nearly 8 months pregnant. However, I keep wondering. I share my pregnancy information as follows:
When I was 12 weeks pregnant, I went for an ultrasound at the clinic, the DMDG was 3.6mm, a day later, I went to the hospital for another ultrasound, it was 5.6mm. The doctor concluded that the child had a lymphatic cyst in the neck area and ordered an amniocentesis. At week 19, I went back to the hospital to have an ultrasound, and I didn't see any cysts, the doctor said that the lymphatic cyst became 7.6mm thick, the doctor gave me the option to have amniocentesis or not. I choose not to. At week 24, the child had a morphological ultrasound at the clinic, all indicators were normal, the nasal bones were high, and the femurs were more developed than other babies, there was nothing abnormal, at week 12 they had a blood test. The double s test results in a low threshold. I want to ask the doctor for advice on the status of fetal ultrasound detecting cervical lymph cysts at 12-24 weeks, what does it mean? Thank you doctor!
Anonymous customer
Reply
Hello! Ultrasound is only a morphological survey of the fetus, not able to screen for all abnormalities of the fetus. In addition, ultrasound depends on the technique, experience of the doctor, equipment... With a fetus with a nuchal translucency of 7.6mm, amniocentesis should be performed to confirm the diagnosis of pregnancy. deformed or not. However, you do not choose. With double test results being low risk, it only reflects a low rate of pregnancy with malformations, but does not mean that the fetus will not have malformations. Therefore, you should go to the prenatal consultation room to discuss more and have a suitable follow-up direction for you.
You can go to the clinics and hospitals of Vinmec Health System nationwide to get more advice from doctors.
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Answered by Specialist Doctor I Truong Nghia Binh - Department of Obstetrics and Gynecology - Vinmec Da Nang International Hospital
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