Birth related:
Broken Water
The Third Trimester - end is near for both birth and the world.
In Utero
Fetal Anomaly
Grand Mal
Virus Related:
Execution Phase - stage of a virus where the virus function is performed
Triggering Phase - stage when virus is activated
Algorithm
False Negative
Logic Bomb
Replication
Rogue Program
Triggered Event
If any of these have been suggested my apologies.