Heat is my first suspicion. So you must protect/guard her from inadvertent matings. That means crating at home if you have an un neutered male, exercise only on a lead; do not leave her out in yard unattended at all.
__________________ Razzle and Dara. Our clan. RIP Karma Dec 24th 2004-July 14 2013 RIP Zoey Jun9 th 2008-May 12 2012. RIP Magic,Mar 26 2006July 1st 2018 |