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.
The BabyCenter Editorial Team. No. You can't have your menstrual period while you're pregnant. Some women do have vaginal bleeding during pregnancy. Some even report intermittent bleeding that seems like a regular period to them.But vaginal bleeding during pregnancy is not the same thing as menstruation.he BabyCenter Editorial Team. No. You can't have your menstrual period while you're pregnant. Some women do have vaginal bleeding during pregnancy. Some even report intermittent bleeding that seems like a regular period to them.