These days they send seperate e mails. if you used your email on your kids application, an e mail will be sent to you.
A different e mail will be sent to your wife also.
LAND WITH YOUR WIFE BEFORE THE CHILD IS BORN. LET HER GIVE BIRTH TO THE BABY IN CANADA , THE BABY AUTOMATICALLY BECOMES A CITIZEN. VISA CAN NOT BE EXTENDED. AFTER BIERTH OF THE CHILD OUTSIDE CANADA, YOU WILL HAVE TO SPONSOR BABY AND THE MOTHER.