<prompt> Both hyperplasia and hyperophy are seen inBreast enlargement during lactationUterus during pregnancySkeletal muscle enlargement during exerciseLeft ventricular hyperophy during hea failure  <response>: Ref,Robbins 9e p36 The massive physiological growth of the uterus during pregnancy is a good example of hormone induced increase in size of an organ that results from both hyperophy and hyperplasia 