Individual #perinatology  the branch of obstetrics concerned with the anatomy and physiology and diagnosis and treatment of disorders of the mother and the fetus or newborn baby during late pregnancy and childbirth and the puerperium
  >part of:  #obstetrics__OB__tocology__midwifery  the branch of medicine dealing with childbirth and care of the mother
     >part of:  #medical_specialty__medicalspecialty__medicine  the branches of medical science that deal with nonsurgical techniques
        >part of:  #medical_science  the science of dealing with the maintenance of health and the prevention and treatment of disease

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