[header] How to tell coworkers you're pregnant [title] Choose the right time to tell your boss and coworkers. [step] When you tell your boss and coworkers that you are pregnant is an individual decision. Some women tell them early, while others wait much later. 
This depends on how you feel about people knowing you are pregnant. Just make sure you tell them when the pregnancy starts to affect you physically, especially if you need to miss work.