Your stomach starts to get round and becomes difficult to hide. You can share the experience of your baby's first movements with the father-to-be, who can place his hand on your stomach.
Arms develop and the foetus uses its feet and arms to move. It turns over and does somersaults. You can feel your baby move.
Swallowing and sucking reflexes start. Respiratory movements are irregular but frequent. Blood circulation has completely finished.
A sense of touch and sound develops and sensitivity to voice in particular. This is early communication, you can start to talk to the baby.