Expression of Bscl2 in WT uterus and placenta. All images were from in situ hybridization using an antisense Bscl2 cRNA probe except C2 and D2 using a sense Bscl2 cRNA probe. (A) Postnatal day 28 (PND28) uterus. (B) Gestation day 13.5 (D13.5) placenta. (C1–C2) Four-month-old uterus at metestrus stage. (D1-D2) Gestation day 18.5 (D18.5) uterus. (E1) Postpartum day 1 (PPD1) uterus. (E2) Enlarged from E1. Myo, myometrium; DP, decidua parietalis; DC, decidua capsularis; FM, fetal membrane; LE, uterine luminal epithelium; laby, labyrinth layer.