NEW YORK, NY - AUGUST 15: White House Chief of Staff Gen. John Kelly looks on as US President Donald Trump speaks following a meeting on infrastructure at... Drew Angerer The disconnect between the White Houseâs John Kelly and his boss
While many females will hold to a fairly steady schedule of coming into season about every six months, it can vary. Some girls will only come into heat once year, while others may even come into season every four months. However, these extra seasons are not always fertile.
If not spayed, female cats and dogs will come into season (or heat, or estrus) at about six months of age, sooner for some and later for others, but it will happen and it wonât be fun. She will instinctively know that she has to attract a male to mate with and will have a physical need to do so.