The age of the babies can sometimes make a difference in what type of poses you are able to position them in and whether they will like it or not. All babies are different, and it is not to say that one baby will be easier to pose over another one merely based upon age. Generally speaking, the age of the baby can dictate how the session will run. Younger babies tend to go into certain intricate poses much easier than older babies. Babies grow at a fast rate and photos will vary from one week to another. It all depends on what you wish to capture. Parents and siblings are encouraged to participate. Estelle's experience in the midwifery field will put your mind at rest, as she is experienced with children.