An Iowa mother said she did not know she was pregnant until she unexpectedly delivered her son at work Monday.

Amethyst Blumberg, a FedEx employee in Iowa, unexpectedly gave birth at work without knowing she was pregnant, sparking viral discussions on surprise pregnancies.

The woman was pregnant with twins and delivered the second infant at a local hospital, a county official said Friday.

Special delivery: Baby born at Iowa FedEx facility surprises mom, medics ...