Reaching for more: How reproduction transforms the maternal intestine.

Several organs undergo changes during pregnancy to accommodate fetal growth, including the small intestine. However, the signals that trigger this intestinal remodeling are not well understood. In a recent study, Ameku et al. describe an anticipatory intestinal growth program that is partially irreversible and supported by SGLT3a-dependent increase of Fgfbp1-positive progenitor cells.