My cat has been spayed for a while but every so often for about 1/2weeks…

My cat has been spayed for a while but every so often for about 1/2weeks male cats still hang outside the house,its like shes in heat but she doesnt show signs of being in heat,my dog also tries to hump her during this time,what could it be

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Anonymous
Anonymous
5 years ago

that really is bizarre.  for how long has she been spayed?