it only takes about 5-10 mins for them to mate then ur going to want to take then day out and wat 30mins or so and put him back in then u can leave him in all night than take him out in the moring cause hamsters sleep in the day and r a wake at night so thats when there really going to mate... ok then take the dad out and do not put him back in at all because the mom is pregnate by now 4 sure...ok ur going to have to put new hay in the cage(*buy an aquim {like a small fist tank} to put the hay in ) every 2 days for 8 days then when the babys are born there is going to be about 5-10 usaly they only have 5 but mine had 10 so u never no really but any ways when there born u can not touch them at ALL NEVER cuase the mom will eat them are abond them if they dont smell like her....you're going to have to give them food every day in a bowl with a spoon cause u CAN NOT get you're scent on it evywere so your going to have to do this for about 2 weeks and then when they have hair all oner them and are not nursing and are eating on there own u can touch them and u will never be able to leave them alone wit the father cause hell eat tham...and you're going to have to buy a seperate cage 4 all of them becuase there fight and one of mine almost died cuase it fought wit a brother or sister..and at 4 weeks you're going defedently to seperate all of them cause thell start mating wit each other and youll end up wit 30 baby hamsters (trust me u dont want to go throught it {i did} and it was miserable and expensive)...im going to give u the site i went to when i have babie hamsters because its a great site and will tell u everything u need to know about you're hamasters that I havent told you...(
http://www.geocities.com/Heartland/P...haven.html)try it out its great I LOVED IT when i had hamstersPs: its important that u never let any cats near the hamsters cause(this is for actually ever thing that could scare a hamster cats different scents. ect.) the mom will try to protect it and put it in her pouch in her cheeks and accedently suficate it.I really hope that this helped ~~ i know how hard it is but its worth ....come up wit alot of good names lol~~~THEY HAVE SPECIAL NESTING HAY AT PET STORES FOR PREGNATE HAMSTERS AND UR GOING TO NEED TO BUY A HOUSE FOR HER FOR PRIVICY AND DONT TOUCH HER WHILE SHES GIVING BIRTH