Canine herpesvirus is an infectious disease that is a common cause of death in puppies less than three weeks old. Pseudorabies is an infectious disease that primarily affects swine, but can also cause a fatal disease in dogs with signs similar to rabies.
Progestin-only birth control pills, sometimes called âmini-pills,â have several effects in the body that help prevent pregnancy: 1  The mucus in the cervix thickens, making it difficult for sperm to enter the uterus and fertilize an egg. 2  They stop ovulation, but they do not do so consistently.
Birth control pills, otherwise known as oral contraceptives, prevent pregnancy by changing the course of your menstrual cycle: The hormones in the pill stop normal ovulation. In essence, coming off the pill puts your body back on its natural cycle. If you have been using the birth control pill to lessen the symptoms of premenstrual syndrome (PMS) or to manage irregular periods, you may be wondering exactly what will happen when you stop taking it. How Birth Control Pills and Devices Work.