Sludge reflects intra-amniotic inflammation with or without microorganisms.
Noriko YonedaSatoshi YonedaHideki NiimiMasami ItoKaori FukutaTomohiro UenoMika ItoArihiro ShiozakiMika KigawaIsao KitajimaShigeru SaitoPublished in: American journal of reproductive immunology (New York, N.Y. : 1989) (2017)
The presence of AF "sludge" is related to intra-amniotic inflammation with or without microorganisms.