Yes, but carefully and not by the stomach. If birth is imminent, resist.
yes
You should pick up your hamster. Picking up your hamster lets it get used to you, the more you pick it up and play with it the more friendler it becomes.
yes
Pick it up.
with your hands
To pick up a hamster safely and gently, first approach the hamster calmly and slowly. Use both hands to scoop the hamster up from underneath, supporting its body. Avoid sudden movements or squeezing the hamster. Make sure to hold the hamster close to your body to prevent it from falling.
yea...
you have to pick it up
360,000 times a day
It's fine to pick a hamster by the skin behind his ears, but anywhere else it might hurt your hamster.
Not too much, but you can. It won't affect the babies or anything, but try to leave Mom alone because she can get hyper and jittery during pregnancy.
you can tell a female hamster is pregnant by seeing if the hammy is fat around the belly and put the hammie's belly up to your hammie's tummy is moving.