Wondering how long does the opossum gestation period last? The good news is that you don’t have to wait it out — we’ve created a handy online opossum gestation period calculator you can use to easily figure out how long your opossum pregnancy will last.
How Long are Opossums Pregnant?
The gestation period of opossum is 12 – 13 days counting from the first day of mating. Opossums have an average gestation period of 13 days.