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.
Report Abuse. It's possible to get pregnant 3 - 4 days after stopping your period if you have short menstrual cycles. You are most likely to get pregnant 14 days PRIOR to starting your NEXT period. If you can estimate when you should start you next period just count back 14 days-that is your fertile period.