Talk to General Physician on Stunt Growth And Under Weight

AoA,Sir/Mam I have poor growth .. my height is short 5'7.My body weight is according to BMI should be round about 55 kg to 60 kg but mine is 48 kg.My father height is 5'9 and mom height is 5'6.I eat alot,feel hungry most of the time,have used gym regularly for 6 months and still doing but least gains.My mom and few elders states that you might have intestine worms .. what shoukd I do? These factors are taking me to depression.