What does one bar that is deep and one bar that is shallow mean? B-ultrasound examination for pregnant women is a very important examination during pregnancy. In the B-ultrasound results, \”one bar is deep and one bar is shallow\” often appears. So what does \”one bar is deep and one bar is shallow\” mean? Generally speaking, \”one bar is deep and one bar is shallow\” indicates the cross-section of the baby\’s spine. A deep bar indicates that the spinal bones are intact, while a shallow bar indicates that there are certain defects in the spinal bones, which need to be paid attention to by pregnant women so that timely measures can be taken. Pregnant woman B