34 weeks pregnant with coronary sinus dilated 5.2mm, is it okay and how to treat?

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Hello doctor! I have a problem that I hope you can help me with. Currently, my wife is 34 weeks pregnant, when I went to the doctor's office for an ultrasound, the doctor told me that I had a coronary sinus dilated 5.2 mm in size. Doctor let me ask, 34 weeks fetus has dilated coronary sinus with size 5.2mm, what's wrong and how to treat? Thank you!
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Hello, the doctor would like to answer the question: "Is 34 weeks pregnant with coronary sinus dilatation of 5.2mm size, what's wrong and how to treat it? ” as follows:
I have to take my wife to the hospital for a specialized fetal echocardiogram to find the causes of coronary sinus dilation, the prognosis of the baby with coronary sinus dilatation is based on the cause of the dilation, if the cause is alone Due to the presence of the left superior vena cava, the prognosis is good.
You can take your wife to the nearest medical facility or the Hospital of Vinmec Health System for a closer examination and consultation by doctors. Best regards!

Answered by Specialist Doctor I Le Hong Lien - Obstetrician and Gynecologist - Department of Obstetrics and Gynecology, Vinmec Central Park International General Hospital.