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.
Also, you need to remember that if you are having unprotected sex, you can become pregnant again soon after having a miscarriage. It is generally thought that you are not fertile for four to six weeks after a miscarriage, but many women have conceived as little as two weeks after a miscarriage.rying to Get Pregnant 23 Comments. After a miscarriage you may be devastated, but it is not uncommon to begin to wonder right away when you will get your period again so you can begin trying to conceive all over again.