For the roller coaster, see Sewer Rat (roller coaster) . The brown rat, also referred to as common rat, street rat, sewer rat, Hanover rat, Norway rat, brown Norway rat, Norwegian rat, or wharf rat (Rattus norvegicus) is one of the best known and most common rats.he brown rat is the species common in England, and best known throughout the world.
1 Yes,you can get pregnant after ovulation. 2  There is a 25% chance of getting pregnant during ovulation,and a 5% chance when not ovulating. 3  The egg does not survive for more than 24 hours after ovulation unless conception has occurred.
If you've had a miscarriage, it's very normal to wonder if you can get pregnant again - and how long that will take. Chances are very good that you can get pregnant again after a miscarriage. First, it might help to know that although miscarriage is tragic, it's also surprisingly common. In fact, 15 to 20 percent of pregnancies are miscarried, usually within the first seven weeks.