– BARCELONA, LONDON and MILAN, October 6, 2015 /PRNewswire/ —
The study is published in the British journal, Ultrasound,this week 
After only 16 weeks of existence, foetuses hear and respond to music as long as it is emitted from their mother’s vagina. Foetuses respond to this stimulus by opening their mouths and pulling their tongues out as far as possible, making vocalisation movements – prior to the acquisition of language.
This is the main conclusion of the study conducted by the team of Institut Marquès, which boasts the collaboration of Alberto Prats, Professor of Anatomy and Human Embryology of the Faculty of Medicine of the University of Barcelona.
The study, entitled “Foetal facial expression in response to intravaginal music emission”, is published this week in the journal Ultrasound of the British Medical Ultrasound Society (BMUS).
According to Dr. Marisa López-Teijón, the Head of Assisted Reproduction at Institut Marquès and the principal researcher and author of the clinical study: “We have discovered that the formula for foetuses to hear like us is to emit music from the mother’s vagina. They barely hear the sound that reaches them through their mother’s abdomen: the soft tissues of the abdomen and the inside of the mother’s body absorb the soundwaves”.
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Method and results 
The pregnant women to whom musicwas applied from the vaginawere fitted with a device designed specifically for the study. This was capable of emitting an average intensity of 54 decibels, the equivalent of a quiet conversation or background music. The music chosen was the Partita in A Minor for Flute Alone- BWV 1013 by Johann Sebastian Bach.
Using ultrasound scans, the research team compared the reaction of the foetuses and the results were statistically significant. When music was appliedfrom the vagina,87%of foetuses moved their mouths ortongues and approximately half of themreacted with a very noticeable movement, opening their jaws very wide and pulling out their tongues as far as possible, says Dr. Alex García Faura, the Scientific Director of Institut Marquès andco-author of the article.On applying music emitted through theabdomenor soundwaves, these changes in the expressionsof the foetuses were not observed.
What is the reason for the foetus’s response? 
According to Alberto Prats, the Professor of Anatomy and Human Embryology of the Faculty of Medicine of the University of Barcelona, we believe that the music induces a response through vocalisation movements because itactivatesbrain circuitsthat stimulate language and communication.
According to this hypothesis, once the formation of the inner ear is complete, when the foetus receives an auditory stimulus that includes rhythm or melody through the cochlea, very primitive brainstem centres that induce vocalisation are activated in the area related to social behaviour.
For the first time, Dr. Marisa López-Teijón says,we have been able to communicate with the foetus.From the 16th week, it is capable of responding to musical stimuli.We cansay that learning begins in the womb.
About the Marquès Institute 
Institut Marquès is anintegratedinternational centre for gynaecology, obstetrics and assisted reproduction, which boast 90 years’ history in Barcelona. Itpossesses a team comprising 140professionals and isheadquartered in Barcelona, Great Britain,Ireland andKuwait. It also has its own clinic in Italy, where it has become the first European fertility centre to open its doors. It welcomes patients from over 50 countries who require medical help to become parents. 
Further information:
http://www.institutmarques.com/
http://www.fertility-experiences.com
Press Event. Barcelona, October 6th, 11.30 h. (CET time)
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Video:       http://www.multivu.com/players/English/7647351-how-foetuses-hear-musical-stimuli/