1 There are large areas of tundra in northern North America, northern Europe, and northern Asia. 2  The word tundra comes from a Finnish word tunturi, which means treeless plain or barren land. 3  The tundra is a very fragile biome that is shrinking as the permafrost melts. There are large areas of tundra in northern North America, northern Europe, and northern Asia. 2  The word tundra comes from a Finnish word tunturi, which means treeless plain or barren land. 3  The tundra is a very fragile biome that is shrinking as the permafrost melts.
1 Other possible symptoms of early pregnancy include mood changes, increased urination, headaches, low backache, breast tenderness, darkened areolas, fatigue, nausea, and implantation bleeding. 2  Symptoms of late pregnancy can include leg swelling, backache, heartburn, leakage of urine, and shortness of breath.
Fatigue. If you're pregnant, you might notice -- like I did! -- that you're completely exhausted. Chalk this one up to hormones too. Many women feel tired because of the extra pregnancy hormone progesterone, says Dr. Rechner.hen you're wondering whether or not you're pregnant, you need to know -- now! Look out for these common, early pregnancy symptoms and signs. By Elena Donovan Mauer. 1  Facebook. 2  Pinterest. 3  Google Plus. 4  Email. 5  Print. 6  More. 7  Comments (0).