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.
![Mother opossum and babies](https://gestationperiods.com/wp-content/uploads/2022/03/Mother-opossum-and-babies.jpg)
How Long are Opossums Pregnant?
The gestation period of opossum is 12 – 13 days from the first day of mating. Opossums have an average gestation period of 13 days.