Placenta previa facts. 1  Placenta previa is the attachment of the placenta to the wall of the uterus in a location that completely or partially covers the uterine outlet (opening of the cervix). 2  Bleeding after the 20th week of gestation is the main symptom of placenta previa.
FRONTLINE Brand Products remain effective for 30 days, even if a pet swims or is bathed. After application, keep the dog or cat from getting wet until the application area appears dry, usually 24 hours. If a FRONTLINE Brand Product is to be applied after a bath, make sure the pet is completely dry before application.
Both Frontline products start killing mature fleas and their eggs on a dogâs coat within 24 hours. Doses are effective for one month, but the manufacturer recommends more frequent administration during tick season. Avoid bathing your dog immediately after applying Frontline in either spray or topical form.