How do you get a teen pregnant in sims life stories?

To make you teen sim get pregnant you have to have 2 different genders, then you do the cheat agesimscheat (on/off) turn them into adults and make them go into a double bed then click on the other sim push TRY FOR A BABY then after they are going to have a baby (you will knoe because it makes a little noise) then change back to your teens and that is how to make a teen have a baby!!!!! GOOD LUCK!!!!!!!