[Answered]: A boy 14 years old is under the supervision of a…

A boy 14 years old is under the supervision of a pediatrician with a delayed growth. It is treated with vitamins and minerals. The specialized department has not been investigated. From the anamnesis it is known: a boy from the first pregnancy, who was running with nephropathy and anemia, swift childbirth; body weight at birth – 3300, length – 52 cm. Developed at an early age, according to age. From the age of 4-5, the parents drew attention to the lagging growth. Ill sickly. The school is learning well. Parents of medium height. Over the last year the growth in increments is 1 cm.Objectively: height – 125 cm, body weight – 24 kg. Body structure is proportional. The skin is dry, thin, pale with a yellowish tinge. Preferential deposition of the subcutaneous fat in the upper part of the body. Voice tone is tall. Breathing vesicular. Tones of the heart are rhythmic, weakened, bradycardia. The development of external genitalia corresponds to the age of 6, formed correctly. Secondary sexual characteristics are absent.Answer the questions:1. Are the correct diagnosis and therapeutic tactics? What is a doctor-pediatrician mistake?2. What factors could cause the disease?3. The most likely diagnosis?4. What studies are needed to clarify the diagnosis?5. What growth retardation in sigma deviation is most often observed with this disease?