The phrase "unaltered females" refers to females who have not undergone any kind of physical or surgical changes, such as sterilization or removal of reproductive organs. Full definition
Part of their adoption fees will go towards our rescue efforts in spaying unaltered female dogs on one of our partnering reservations. (cocosheartdogrescue.org)
«Just one unaltered female cat -LSB-...] (emancipet.org)
Bonnie is a 7 year old unaltered female Staffordshire Bull Terrier who weighs 46 pounds. (healthypawsla.com)