After delivery it is very healthy to have sex again, as soon as possible, provided that the physical condition of the mother allows it. During the period in which penetration is not recommended, many other erotic activities can have place.
These are some of the toys and companions that will make the return to your sex life easier. Extreme vaginal lubrication is advised and probably clitoral vibrators would be the best choice.
And when you are ready to exercise you pelvic muscles again, here are some tools that will make the job easier.