Definition of statement for English Language Learners. : 1  something that you say or write in a formal or official way : something that is stated. : 2  an opinion, attitude, etc., that you express through the things you do, the way you dress, etc.
A dog owner should have an idea when the pet will go into heat. The reproductive cycle varies from breed to breed. Generally puberty will occur as early as 6 to 12 months in small breeds and as late as 2 years in large breeds.
How often do dogs come in heat? That's a question with more than one answer. The onset of heat cycles usually begins when most bitches reach the age of six months, although larger breed dogs may not have that first cycle until closer to a year old.