Babies communicate their needs and pleasure through their behavior. They "talk" with their bodies even before they learn words. Because each baby is unique, you will want to discover your baby's preferences. You can do this through trial and error.
Before Your Baby is Born
Even though you cannot see him, you can already tell some things about the babygrowing inside you.
After Your Baby Is Born
For example, if his hands open and close gently, if he opens his eyes and his face is relaxed, he's saying, "I'm happy." If he arches, turns away, stiffens, or closes his eyes, his message is, "I'm upset and overwhelmed; change something."