If you have a female Yorkshire terrier and do not plan to breed her, you should have the dog spayed. On the other hand, if you have bred your dog you should know that it is possible for a Yorkie to get pregnant the very first time she mates, and there are telltale signs that indicate her pregnancy.
A pregnant Yorkie tends to sleep more than usual, often in a cozy, out-of-the-way corner of your home. On the one hand, she may no longer be as playful, but she may want to spend more time quietly snuggling with you. She may lose her appetite, and she may clean herself more often and more thoroughly than she does normally.
It's not uncommon for a pregnant Yorkie to suffer morning sickness (this will last only for the first few weeks of the pregnancy). She may have a watery discharge that is not urine. Inspect her vulva; if it is swollen, your Yorkie is almost certainly pregnant.
A pregnant Yorkie's stomach will increase in size and become very firm very quickly. Her nipples will become prominent. These are certain signs that your dog is pregnant; if you have not taken her to the veterinarian by this point, now is the time to go. A pregnant Yorkie requires regular veterinary care; your vet will tell you how often to bring in your dog for follow-up examinations.
Things You'll Need
If you have never delivered puppies before, it may be best to take your Yorkie to an animal hospital where professionals will supervise the birth, but you can remain in the room to soothe your dog during labor. If you will be delivering the puppies at home, you will need a whelping box (a large cardboard box will do), along with plenty of newspaper to absorb the mess. Have a supply of thick, clean, soft blankets on hand to make a comfortable nest for the mother and puppies, an electric heating pad to keep them warm, and a water bowl to keep your Yorkie hydrated.