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.
Here are a few signs that you might notice after conception. Spotting Spotting that happens a few days before your period is due could be a very good sign that you are pregnant. This is one of the earliest signs of conception and typically takes place around 10 to 12 days after ovulation as the egg burrows into the lining of the uterus. Bloating