Guide Latest 2025
HESI developmental milestones Study
Guide Latest 2025
birth weight doubles by -
6 months
birth weight triples by -
12 months
birth length increased by 50% at -
12 months
posterior fontanel closes by -
8 weeks
social smile occurs at -
2 months
head turns to locate sounds at -
3 months
moro reflex disappears around -
4 months
steady head control is achieved at -
4 months
head turns to locate sounds at -
3 months
rolls from abdomen to back and back to abdomen at -
5 to 6 months
plays peek-a-boo after -
6 months
transfers objects from hand to hand at -
7 months
, HESI developmental milestones Study
Guide Latest 2025
develops stranger anxiety at -
7 to 9 months
sits unsupported at -
8 months
crawls at -
10 months
fine princer grasp appears at -
10 to 12 months
waves bye-bye at -
10 months
walks with assistance at -
10 to 12 months
says a few words in addition to "mama" or "dada" at -
12 months
birth weight quadruples by -
30 months
achieves 50% of adult height by -
2 years
anterior fontanel closes by -
12 to 18 months
throws a ball overhand at -
18 months
all primary teeth (20) are present -
toddler 1-3
appears to be bowlegged and potbellied -
toddler 1-3
kicks a ball at -
24 months