“…The mother’s features, such as her voice and odors, have been learned in utero by the fetus (DeCasper & Fifer, 1980; Mennella, Jagnow, & Beauchamp, 2001; Sullivan et al, 1991; Varendi & Porter, 2001). Specifically, maternal odor elicits head turns toward the source of the odor, attenuation of crying, and an optimization of state and mouthing in the newborn (Bingham, Churchill, & Ashikaga, 2007; Doucet, Soussignan, Sagot, & Schaal, 2009; Marlier et al, 1998; Raimbault, Saliba, & Porter, 2007; Rattaz, Goubet, & Bullinger, 2005; Schaal et al, 2009; Schleidt & Genzel, 1990; Sullivan et al, 1991; Sullivan & Toubas, 1998). …”