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.
To begin, the birth control pill works by preventing ovulation. Once you stop taking the pill, the hormones are out of your body quickly, usually within a couple of days (this is why women who miss a couple days of pills on birth control have a chance of ovulating and getting pregnant!).nce you stop taking the pill, the hormones are out of your body quickly, usually within a couple of days (this is why women who miss a couple days of pills on birth control have a chance of ovulating and getting pregnant!).