my nephew is 12 years old and still poops in his pants. where to initiate his treatment i.e. Gastronologist or pediyatric doctor.

If the Hiatal hernia causes severe complications like severe heartburns, abdominal complications and blockage in the blood supply to the stomach, surgery may be the option available for treatment.

what area of the back? pain since when? any injury or accident history?

IVF involves several steps - ovarian stimulation, egg retrieval, sperm retrieval, fertilization and embryo transfer. IVF cycle takes anywhere between 6 to 8 weeks from the point of consultation to transfer, and depending on the required circumstances, each phase is similar to every patient.