 [ Symptoms ] lower back pain be a sign of pregnancy my lower right side of my back right above my hip it is a constant dull pain but with sharp intense bursts periodically i am a day late on my period right now took a test that showed negative could i still be pregnant [ Disease ] you son is not done growing by a long shot in fact his major growth spurt puberty has probably just started which is later than girls but lasts longer while girls are typically done growing around 16 18 years boys do not stop growing until 18 20 years of age two years later boys can grow up to 4 inches a year during this time muscle growth is dependent on increases in testosterone and the beginning of puberty and that can vary from child to child as for nutrition provide your son with regular meals and snacks and allow him to eat to his appetite include lean protein sources fruits vegetables whole grains low fat dairy and healthy fats and nutrition poor foods in moderation if he is erratic with his eating a multivitamin can help if you are concerned about his height or any underlying medical issues see his pediatrician but try not to make a big deal of it if everything is okay from a health standpoint he will grow the way nature intended he may just be a late bloomer