Lipidomics of allantoic fluid collected by allantocentesis indicates a possible mechanism underlying partial litter loss in multifetal pregnancies of ewes. - Alon T; Ross M; Spirer J; Silva PDS; Rosov A; Lifshitz L; Kra G; Gershoni M; Malitsky S; Itkin M; Rotkopf R; Moallem U (Scientific reports, 2026)