Several proven methods: lay the baby on a white bedsheet and photograph from above. Have someone dangle a rattle or toy near the camera to get eye contact. Take at least 20 photos to ensure one good shot. You can use an iPhone sticker function to remove the background. At a studio, GK Vale handles baby photos efficiently and can erase a parent's lap from the background. For the passport appointment itself, carry wet wipes as they use an ink pad for the baby's impression.