Can I Undergo a Down Syndrome Screening Now?

Question

Based on the B-ultrasound results from April 2nd, the uterus is anteverted with a significantly increased size, showing a fetus with a head circumference of 17mm, visible fetal heartbeat and movements, anterior placenta, grade 0, amniotic fluid dark area of 42mm, and partial limbs of the fetus are visible. How many weeks pregnant is the fetus approximately at this point? Is it suitable to undergo a Down syndrome screening?

Answer

Generally, it is suitable to undergo a Down syndrome screening around weeks 16 to 20 of pregnancy. According to the calculation of your B-ultrasound gestational sac size, your gestational age is approximately 12 weeks, at which time it is not advisable to undergo the screening. Suggestion: Down syndrome screening should be done at the optimal time to ensure the accuracy of the test results. The estimated gestational age by B-ultrasound may have errors and should be calculated from the first day of your last menstrual period. It is recommended to undergo this test as it is very necessary for ensuring the health of the fetus.