UpToDate: Fetal echogenic bowel is noted in up to 1% of 2nd trimester sonograms. It regresses or disappears during the remainder of the 2nd trimester in most cases and is a normal finding in the 3rd trimester since meconium is present in the colon at this time and can be echogenic. In most cases, echogenic bowel is an isolated transient finding representing a normal variant. However, it can be associated with underlying pathology, most commonly swallowed blood or hemosiderin in amniotic fluid, a