norvegicus) is the largest of the rats found in Hawai`i (8-10 inches long) and weighs 10 to 18 ounces. The tail is stout, and usually shorter than the head and body combined. The Norway rat is a species that burrows in the ground, rubbish piles, garbage dumps and under walks and docks.orvegicus) is the largest of the rats found in Hawai`i (8-10 inches long) and weighs 10 to 18 ounces. The tail is stout, and usually shorter than the head and body combined. The Norway rat is a species that burrows in the ground, rubbish piles, garbage dumps and under walks and docks.
Menopause is the point in time when a woman's menstrual periods stop. Menopause happens because the ovaries stop producing the hormones estrogen and progesterone. Once you have gone through menopause, you can't get pregnant anymore.our doctor also could test the amount of hormones in your blood. But because hormones change during your menstrual cycle, these tests alone can't tell for sure that you have gone through menopause or are getting close to it. Unless there is a medical reason to test, doctors usually don't recommend it.
Follow us. Menopause is the time of a woman's life in which the body becomes infertile. By definition, you have reached menopause when you have not had a period for 12 months. This fact remains true as long as there are no underlying medical reasons for the missing or irregular periods.uring this time, you will still have periods; however, they can become irregular which may affect your chances of becoming pregnant. Read on to learn whether or not you can become pregnant during perimenopause.