You'll likely see this change around 4 to 6 months, when your baby starts eating solid food. That being said, if you still notice your baby is gassy, continue with burping and other gas-relief techniques until you feel they are not needed.
If the bond is trading at par current yield equals coupon rate which in turn equals yield to maturity. If the bond is trading below par (trading at discount) yield to maturity is higher than current yield which is in turn higher than the coupon rate.
The maturity of a bond is the year the par or face value of the bond is returned to the bond holder. Bond value: Given the face value, coupon rate, coupon compounding interval, years to maturity, and the current market rate, this is the price the bond should be trading at.