Hi, Noted your short history of having fluttering under right rib case under the breast which you husband also felt. You are not pregnant. The commonest causes can can think of are as follows: Uncontrolled movements of the muscles in this particular area. This is autonomous and you can not really wither produce or stop. Associated dehydration and electrolyte imbalance. Stress and anxiety can also cause these. First of all, since there is no pain there is nothing to worry about and the cause such as costochondritis and heart related problems are ruled out. Relax and take rest. Hydrate yourself well with plenty of water, coconut water and electrolytes solution. This should go away. If the problem persists then consult your Doctor for clinical evaluation, examination, investigations as an appropriate management if needed. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. T. Chandrakant, General Surgeon