Dogs do not experience menstrual cramps in the same way humans do because their reproductive cycle is different. While female dogs do have a heat (estrus) cycle during which they may show some signs of discomfort or irritability, there is no scientific evidence that they suffer from cramps like human periods. Some dogs may appear fidgety, lick affected areas, or behave differently, which could indicate some level of mild discomfort during their heat cycle, but this is not equivalent to menstrual cramping in women. Importantly, dogs do not shed the uterine lining like humans; instead, their bleeding is due to hormonal changes and increased blood flow to the reproductive organs during the heat cycle. In summary, dogs may feel some discomfort during their heat cycle but do not get cramps like humans do during menstruation.