How to learn more on birth announcements
You can add anything you think appropriate in the cards. However, keep in mind the person to whom you are going to send the card and write your message according to that. A working mother can add up a custom message for her colleagues and tell them when she would attend office. If you are not sure how to write birth announcement cards, you can get wording for free from some websites. There are plenty of ideas online for baby announcements.