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.
Most dogs come into heat every 6 to 7 months http://www.gsdhelpline.com/heat.htm The female dog comes into heat (estrus) about every six months, although very large breeds of dogs may cycle every 8-10 months. The heat period lasts about three weeks.