Complex sentence: In relation to the recognition of sounds of different pitch, a foetus is more likely to respond to sounds of high frequencies due to attenuation at the surface of the abdominal wall and through the abdominal tissues and fluids.
Split into simpler sentences: In relation to the recognition of sounds of different pitch, a foetus is more likely to respond to sounds of high frequencies. Acta Otolaryngologica, 57,188-192 due to attenuation at the surface of the abdominal wall and through the abdominal tissues and fluids.