FETAL AND MATERNAL ASYMMETRY IN PLASMA MEMBRANE DOMAINS OF SYNCYTIOTROPHOBLAST LAYER-I CELLS ARE MAINTAINED BY A POLARITY-REGULATING FACTOR, KIBRA-LIKE/WWC2. FETAL AND MATERNAL ASYMMETRY IN PLASMA MEMBRANE DOMAINS OF SYNCYTIOTROPHOBLAST LAYER-I CELLS ARE MAINTAINED BY A POLARITY-REGULATING FACTOR, KIBRA-LIKE/WWC2