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.
There's no telling how long it will take for you to get pregnant after stopping the pill. Some women can get pregnant immediately; others may take a few months to conceive.You can increase your chances of getting pregnant if you know when you're ovulating and have intercourse around that time.here's no telling how long it will take for you to get pregnant after stopping the pill. Some women can get pregnant immediately; others may take a few months to conceive.