s body to return to normal
after a heat cycle. While she is
in season, the blood vessels
in and around the uterus are engorged with blood. While she CAN be spayed during this time, it carries a higher risk of hemorrhaging during the surgery, so as long as it's not a case of having to spay her while she is pregnant to prevent her from having an unwanted litter, most vets prefer to wait until the risky period has passed.