Certainly not. Abdominal aortic aneurysms are slow growing, roughly a couple millimeters per year, provided that you are compliant with your medical therapy and lifestyle changes as well as your scheduled appointmens. In those with an aneurysm less than 5.5 cm the risk of rupture in the next year is less than 1% and much less for aneurysms less than 4.4cm.
This risk is considered very small to justify any surgical risk. Among those with an aneurysm between 5.5 and 7 cm the risk is about 10% while for those with an aneurysm greater than 7 m the risk is about 33%.
Elective repair should be considered when the aneurysm exceeds 5 cm and definitely beyond 5.5cm.