Me and my Girlfriend were having a foreplay i ejaculated

Patient: Me and my Girlfriend were having a foreplay. i ejaculated my sperms ,but i was wearing trousers and she wearing panties. i am so afraid that she might get pregnant.because her period is missing 3 months. Please help me. we are so afraid of this. Feeling like dying. Please help us.

Symptoms: Missing period

Doctor: