You try to see if they fight before mating, if they fight, separate them first, let them get familiar with each other for a period of time and then close the cage
Not fight, if you directly close the cage (found pregnant, immediately separate the cage)
The hamster is pregnant has the following symptoms
1 Drinking a lot of water; short temper
2 The body becomes bigger, and you have to be careful not to lose your temper. Within 24 hours will give birth
If the following situations are surely pregnant
Hamsters need to prepare enough food, water and quiet environment when giving birth
Any other questions you can ask me
Looking for the adoption