What should I pay attention to during the B-ultrasound examination on the 15th day of pregnancy? The B-ultrasound examination on the 15th day of pregnancy is one of the important links in pregnancy examination. It can help pregnant mothers understand the growth of the embryo, grasp the health status, and take timely measures to protect the embryo. However, pregnant mothers also need to pay attention to some things when undergoing this examination. Next, we will introduce it in detail from four aspects. Pregnancy during check-up