English Collins Dictionary-English Definition & Thesaurus &nbsp. See also: worker participation, Participaction, participator, participant. ACTA. ACTA. abbr. acron.
In a policy statement published in Pediatrics, the American Academy of Pediatrics now advises parents to keep toddlers in rear-facing car seats until age two, or until they exceed the height or weight limit for the car seat, which can be found on the back of the seat.
Eventually your baby's head bones will meet and fuse, and the soft spots will close. The posterior fontanelle is often difficult to feel and usually closes at six weeks, as your baby's head bones grow.