Short Answer
You hold no statutory obligation to disclose your pregnancy to your employer at any specific stage of your gestation period.
Your bulletproof legal protection against contract termination (Sonderkündigungsschutz) only activates the exact moment management receives formal notification of your condition.
What Most Expats Don't Realize
You decided to keep your early pregnancy a secret until your second trimester to remain competitive for an upcoming departmental reorganization project. The corporate board executed a surprise redundancy layout and served you with a standard termination notice before you could declare your condition. You lost your employment status and had to hire a private labor lawyer out of pocket, losing €2,500 in legal fees to retroactively enforce your maternity protection rights because you delayed the notification.
What To Do
- Ask your gynecologist to issue an official medical certificate confirming your pregnancy and the estimated date of delivery.
- Bring the physical medical certificate directly to HR once you reach your preferred disclosure threshold.
- "Ich informiere Sie hiermit offiziell über meine Schwangerschaft gemäß dem Mutterschutzgesetz." (I herewith officially inform you about my pregnancy in accordance with the Maternity Protection Act.) — email this statement alongside a digital scan of your certificate to lock in your job protection.
The Truth
The German "Mutterschutzgesetz" (Maternity Protection Act) is incredibly powerful. Employers often panic when they hear the news—not because they are mean, but because the law makes you "untouchable" and strictly limits the tasks you can perform.