Patient's question:
At 20 weeks, the fetal umbilical artery was only 3.2. Three days ago at 22 weeks and 3 days, I had a thorough check-up because the baby had fluid accumulation. The umbilical artery was measured at 6.2. Is this too high and abnormal? Could it be that I was nervous, and the doctor pushed harder during the ultrasound? Worried, why is it so high?Doctor's answer:
The umbilical cord SD ratio tends to increase as the gestational age progresses in early pregnancy. In the second trimester, 3.0 is often used as a warning line. For example, if the SD ratio is greater than or equal to 3.0, it is important to monitor the data promptly. After 32 weeks of gestation, the SD value should be below 3.0. By the end of pregnancy, the SD ratio should be below or equal to 2.5 for the fetus to be considered safe. This ratio is not related to your stress. The previous one was fine, and occasionally, you can wait and see and relax your mind.