Confirming Sign of Dog Pregnancy As many know, diagnosing a pregnancy by means of a blood analysis can result unfruitful due to the fact that the levels of progesterone are the same in a pregnant dog as the one that isn't; there also aren't any significant alterations of the levels of other hormones like cjorionic gonadotropin produced by the placenta. Therefore, you must have to base yourself on other means of diagnosing.Palpation: It is possible that from the moment in which the fetuses have adhered to the walls of the uterine horns, or, what is the same, around the 20th or 21st day of pregnancy. Of course, you have to bear in mind that in obese dogs or that have wide thoraxes and abdomens, it's usually more difficult to palpate the fetuses due to the fact that it's more difficult to locate them.Echography: This method constitutes, in my opinion, the most reliable and premature way to diagnose; in that moment is already possible to observe the heart beats of the fetuses and observe the volumes of their tiny bodies (approximately 2 .5 to 3 cm) inside the amniotic sacks. In fact, an expert in Echography and interpreting the images that the screen shows can almost exactly tell you the number of puppies that make up the litter, with a margin of error of about 10 to 15%. I always turn to this method when my female dogs are pregnant, and until today it has always been reliable and safe. X-rays or Resonance: There are two other ways of confirming pregnancy, but they cannot be used before the 50th of the 51st day of pregnancy in order to avoid serious secondary effects on the fetuses. In fact, the system is resolved almost more practical for, around the 50th or 56th Day, confirming that the fees is on well-positioned and calculating the number of puppies that will be born, that as a method of diagnose in itself. Not in a very convenient that all the owners turned to x-rays into two or three days before the scheduled birth date so that you can know without a matter of a doubt if any complication might show up, may be due to a bad placement of one or two puppies. |